How much is it to write 56/8=7, 18-7=11 into a formula.
把56/8=7，18-7=11写成一个算式是多少．
<gadget id="calculator">56 / 8</gadget>
<output>7</output>

<gadget id="calculator">18 - 7</gadget>
<output>11</output>

<result>11</result>