Multiplication: set t1 to the lower 32 bits of t2*t3
.text li t0, 13 li t1, 5 # t0=13, t1=5; mul writes 65 to t2. mul t2, t0, t1 1 2 3 4 5
.text li t0, 13 li t1, 5 # t0=13, t1=5; mul writes 65 to t2. mul t2, t0, t1
