The solution of the equation 4x+10=m is x=2, m=how much.
方程4x+10=m的解x=2，m=多少．
<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">8 + 10</gadget>
<output>18</output>

<result>18</result>