Problems
Complex numbers: multiplication and division
Complex numbers: multiplication and division
Two complex numbers are given. Find their product or quotient.
Input
Each line contains an example of multiplication or division of complex numbers. The complex number is given in the format a+bi or a-bi, where a is integer, b is non-negative integer. The real and imaginary part of each complex number is no more than 109
by absolute value.
Output
For each input example, print in a separate line the answer.
Input example #1
2+3i * 7-4i 12-4i / 5-4i -1-1i * -1-1i 5-2i / -7+12i
Output example #1
26.00+13.00i 1.85+0.68i 0.00+2.00i -0.31-0.24i