1184:a × b

Calculate a × b.

The input will consist of a series of pairs of floating point numbers a and b,separated by a space, one pair of floating point numbers per line.

For each pair of input floating point numbers a and b you should output the product of a and b in one line,and with one line of output for each line in input.

Output should be rounded to 3 digits after decimal point.

1.1 1.1

1 0

1.234 5.678

1.210

0.000

7.007

printf("%.3f", a*b);