addu Do not trap on overflow. multu Operands are unsigned. 
The
mult instruction assumes two's complement operands.
Run the program by
pushing F10 (single step) five times.
The result is as expected.
Register $9 contains
5 × 12 - 74 = -14 = 0xFFFFFFF2
The product 5 × 12 = 60ten = 0x3C remains in lo.
Use integer division (in base ten) to calculate the quotient and remainder of:
99 / 2 = Remainder 99 / 50 = Remainder