Symeem Island.
On the sheltered side of the island, beneath towering cliffs, the Explorer rose and fell gently with the dark seawater.
Sifa leaned against the rail, enjoying the sea breeze on his face.
It was already March. Over the past week, Sifa had remained in Bayam, discreetly gathering information on the Black Emperor through various channels, but unfortunately, he had gotten nothing.
However, he had managed to gather the potion ingredients for Robot from various sources. Yesterday, Grigor had already advanced to Robot.
It was just that—
"Caw caw, give me a problem! Give me a problem! This lord's calculating soul is burning fiercely!"
On his shoulder, Grigor was abnormally excited. Whether it was due to the potion or simply the parrot's nature, they had become extremely noisy after advancing.
"Got it, got it."
Sifa sighed, covered his ears, and tried to recall the math problems he had learned and seen in his previous life. Then he casually said, "Put chickens and rabbits in a cage. Looking from above, there are thirty-five heads. Looking from below, there are ninety-four legs."
"Tell me, how many chickens and rabbits are there?"
"Caw caw, too easy."
Grigor flapped their wings and flew to a small blackboard Sifa had prepared for them. The parrot picked up a piece of chalk in their beak and gestured across the board as they spoke. "Assume they're all chickens. Then there are thirty-five of them. Each chicken has two legs, so there should be seventy legs."
"That's twenty-four fewer than the known total number of legs. The reason is that each rabbit's legs were undercounted by two."
"So, by seeing how many groups of two are missing from those twenty-four legs, we can find the number of rabbits, and then the number of chickens."
"Therefore, the formula