It is known that 4x+4=10, then 2x+8=how much.
已知4x+4=10，那么2x+8=多少．
<gadget id="calculator">10 - 4</gadget>
<output>6</output>

<gadget id="calculator">6 / 4</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">2 * (3/2)</gadget>
<output>3</output>

<gadget id="calculator">3 + 8</gadget>
<output>11</output>

<result>11</result>