In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Input: Consider Input: Problem: if 213 × 16 = 3408 , then 16 × 21.3 is equal to : 
Options: a ) 0.3408 , b ) 3.408 , c ) 34.08 , d ) 340.8 , e ) none of these

Output: d


Input: Consider Input: Problem: what is the least number which should be added to 5432 so that the sum is exactly divisible by 5 , 6 , 4 , and 3 ? 
Options: a ) 16 , b ) 22 , c ) 28 , d ) 34 , e ) 40

Output: c


Input: Consider Input: Problem: 894.7 – 573.07 – 95.007 = ? 
Options: a ) 226.623 , b ) 224.777 , c ) 233.523 , d ) 414.637 , e ) none of these


Output: a