instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: a circular ground whose diameter is 70 metres , has a 2.8 metre - broad garden around it . what is the area of the garden in square metres ?
answer:
640.64

question:
Problem: of the seven - digit positive integers that have no digits equal to zero , how many have two digits that are equal to each other and the remaining digit different from the other two ?
answer:
152409600

question:
Problem: how many positive integers between 1 and 200 are there such that they are multiples of 17 ?
answer:
11