Definition: In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Input: Master Shake:  Whew ! Was that thing heavy ?
Frylock: Damn it Shake , did you have to order the Superize Trough ?
Master Shake: Hydration is essential ... ... oh , that 's so good ... ... and I need _ 85 _ ... ... gallons of soda per day , and plus ! it comes with the edible handcart ! The tires are chocolate !

gallons