You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.

Ex Input:
Question: How many zeroes are there at the end of the number N, if N = 150! + 300! ?

Option A: 28

Option B: 31

Option C: 34

Option D: 37

Option E: 40

Ex Output:
Option D

Ex Input:
Question: Triangle STV has sides ST = TV = 26, and SV = 20. What is the area?

Option A: 160

Option B: 180

Option C: 200

Option D: 220

Option E: 240

Ex Output:
Option E

Ex Input:
Question: A tank contains 10,000 gallons of a solution that is 5 percent sodium chloride by volume. If 2,000 gallons of water evaporate from the tank, the remaining solution will be approximately what percent sodium chloride?

Option A: 1.25%

Option B: 3.75%

Option C: 6.25%

Option D: 6.67%

Option E: 11.7%

Ex Output:
Option C