(module   
   (func $add (param $op1 i32) (param $op2 i32) (result i32)
        (i32.add (local.get $op1) (local.get $op2))
   )
   (func $sub (param $op1 i32) (param $op2 i32) (result i32)
        (i32.sub (local.get $op1) (local.get $op2))
   )
   (func $mul (param $op1 i32) (param $op2 i32) (result i32)
        (i32.mul (local.get $op1) (local.get $op2))
   )
   (func $div (param $op1 i32) (param $op2 i32) (result i32)
        (i32.div_u (local.get $op1) (local.get $op2))
   )
  (table (export "table") funcref (elem $add $sub $mul $div)) 
)