The task is to generate the correct answer for a given math problem.

Ex Input:
Problem: triangle atriangle b are similar triangles with areas 2023 units square and 1792 units square respectively . the ratio of there corresponding height would be

Ex Output:
17 : 16


Ex Input:
Problem: find the cost of fencing around a circular field of diameter 16 m at the rate of rs . 3 a meter ?

Ex Output:
150.84


Ex Input:
Problem: find the ones digit of 73 ^ 300

Ex Output:

1