The task is to generate the correct answer for a given math problem.
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Question: Problem: how many zeroes are there at the end of the number n , if n = 100 ! + 200 ! ?

Answer: 2


Question: Problem: if x = 1 + √ 2 , then what is the value of x 4 - 4 x 3 + 4 x 2 + 3 ?

Answer: 4


Question: Problem: a train 110 m long is running with a speed of 90 km / h . in how many seconds will the train pass a man who is running at 9 km / h in the direction opposite to that in which the train is going ?

Answer:
4