Multipication problem in Assembly language

How to input two number from user and then multiply these number in assembly language??

.model small
.stack 100h
.data
;MSG1 db "Enter First Number : $"
;MSG2 db 13,10,"Enter Second Number : $"
;MSG3 db 13,10,"Result : $"
temp db ?
temp1 db ?
.code

main proc


mov ah,1
int 21h

mov temp,al


mov cx,4

l1:

mov al,temp
sub al,48

mov bl,1
mul bl
mov dl,cl

add dl,48
inc bl
mov ah,2
int 21h
loop l1

mov ah,4ch
int 21h

main endp
end main
this is my code,, print every time 22222