It is known that 2a+5=11, so how much is 4a+10=
已知2a+5=11，那么4a+10=多少
<gadget id="calculator">11 - 5</gadget>
<output>6</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<gadget id="calculator">12 + 10</gadget>
<output>22</output>

<result>22</result>