I am writing a program in MIPS assembly language with PCSpim. I want it to be able to Divide. Here is what I have. Any suggestions?

.data

.globl firstNum

.globl secondNum

firstNum: .asciiz"\nWhat is the First Number?\n"

secondNum: .asciiz"\nWhat is the Second Number?\n"

space: .asciiz"\n"

remainder: .asciiz" Remainder: "

.text

.globl main

main:

addu $s7, $0, $ra

#Queries user for first number

li $v0, 4

la $a0, firstNum

syscall

li $v0, 5

syscall

add $t1,$v0,$zero

#Asks for the second number

li $v0, 4

la $a0, secondNum

syscall

li $v0, 5

syscall

add $t2,$v0,$zero

div $t1,$t2

mfhi $t4

mflo $t5

#Space

li $v0, 4

la $a0, space

syscall

add $a0,$t5,$zero

li $v0, 1

syscall

#Remainder

li $v0, 4

la $a0, remainder

syscall

add $a0,$t4,$zero

li $v0, 1

syscall

addu $ra, $0, $s7

jr $ra

add $0, $0, $0

http://www.cs.uic.edu/~i366/notes/MIPS%20Quick%20Tutorial.htm

under 'Arithmetic Instructions'

div $t5,$t6

mflo $t1