How much is it to combine 13+17=30 and 150/30=5 into a comprehensive formula.
把13+17=30，150/30=5合并成综合算式是多少．
<gadget id="calculator">13 + 17</gadget>
<output>30</output>

<gadget id="calculator">150 / 30</gadget>
<output>5</output>

<result>5</result>