Known: 184/4=46, 75/5=15, 46-15=13, listed as a comprehensive formula.
已知：184/4=46，75/5=15，46-15=13，列成一个综合算式．
<gadget id="calculator">184 / 4</gadget>
<output>46</output>

<gadget id="calculator">75 / 5</gadget>
<output>15</output>

<gadget id="calculator">46 - 15</gadget>
<output>31</output>

<result>31</result>