If you want to change the order of operations of the formula 48+32/4, first add and then divide, what is the formula?
如果要改变算式48+32/4的运算顺序，先算加法，再算除法，那么算式是多少．
<gadget id="calculator">48 + 32</gadget>
<output>80</output>

<gadget id="calculator">80 / 4</gadget>
<output>20</output>

<result>20</result>