$3-$ In the following code assume $($num$1,$ num$2,$ and result$)$ are memory locations.

lw $t$0,$ num$1$

lw $t$1,$ num$2$

add $t$2,$ $t$0,$ $t$1$

bne $t$2,$ $zero, F$1$

J F$2$

F$1$:

sw $t$2,$ result

J exit

F$2$:

sw $t$1,$ result

if num$1=15,$ num$2=7,$ and result$=0$