The number 19 more than twice x is 156, find x.
比x的2倍还多19的数是156，求x．
<gadget id="calculator">156 - 19</gadget>
<output>137</output>

<gadget id="calculator">137 / 2</gadget>
<output>137/2 = around 68.5</output>

<result>137/2 = around 68.5</result>