Write a program to find the simple interest for given principal amount P, time Tm(in years) and rate R.
The first line of input contains an integer, the number of test cases T. Each test case should contain three values P, Tm, R separated by space.
For each testcase in new line, print the floor value of the simple interest
1 <= T <= 100
1 <= P <= 103
1 <= Tm <= 20
1 <= R <= 20
Testcase 1: Simple interest of given principal amount 42, in 8 years at a 15% rate of interest is 50.
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