To change the order of operations of 400/4+36 to first add and then divide, how much should the formula be changed to?
要改变400/4+36的运算顺序为先算加法，再算除法，算式应该改为多少．
<gadget id="calculator">4 + 36</gadget>
<output>40</output>

<gadget id="calculator">400 / 40</gadget>
<output>10</output>

<result>10</result>