section .text
global _start

_multiply_regs:
  mul ebx
  mov eax, ebx
  ret

_multiply_stack:
  enter 2,0
  mov eax, [esp+4]
  mov ebx, [esp+8]
  mul ebx
  mov eax, ebx
  leave
  ret

_start:
  mov ax, 6  ;The number to multiply by
  mov ebx, 16 ;base number to multiply.
  call _multiply_regs
  push 6
  push 16
  call _multiply_stack