Calculation: 300/75+300/25.
计算：300/75+300/25．
<gadget id="calculator">300 / 75</gadget>
<output>4</output>

<gadget id="calculator">300 / 25</gadget>
<output>12</output>

<gadget id="calculator">4 + 12</gadget>
<output>16</output>

<result>16</result>