What is the combined formula 51+9=60, 60/12=5 into a comprehensive formula.
把算式51+9=60，60/12=5合并成综合算式是多少．
<gadget id="calculator">51 + 9</gadget>
<output>60</output>

<gadget id="calculator">60 / 12</gadget>
<output>5</output>

<result>5</result>