45/5+35/5=how much.
45/5+35/5=多少．
<gadget id="calculator">45 / 5</gadget>
<output>9</output>

<gadget id="calculator">35 / 5</gadget>
<output>7</output>

<gadget id="calculator">9 + 7</gadget>
<output>16</output>

<result>16</result>