How to understand this problem is via mathematics in Ancient Egyptian times. Egyptians where rather advanced in their design of Mathematics and the use of them. Thou it is complex to understand, it is rather simplistic once the general understanding is learned.
When Advanced Terran is turned off (or tufts of grass is turned off) you see Hieroglyphics burned into the grass next to the altar. These Hieroglyphics represent what Egpytian writers used to mean 1/2 and 100. When these figures is multiplied they give the final answer.
Answer: FIFTY
"Your meditation reveals an image of fire raining from the sky, scouring the adjacent region from the earth. The gods seem indifferent towards you."