16-bit multiplication direct addressing mode

;16-bit multiplication direct addressing mode

.model small
.data
num1 dw 1234h
num2 dw 0100h
product dw ?
.code
start:
mov ax,@data
mov ds,ax
mov ax,num1
mov bx,num2
mul bx
;multiplies data in bx with ax
;stores msb in dx and lsb in ax
mov product,ax
mov ax,4c00h
int 21h
end start

;Output
;AX=1234
;BX=0100
;AFTER MULTILICATION
;AX=3400