The number 10 more than twice x is 13, find x. The correct answer is x = how much
比x的2倍多10的数是13，求x．正确的答案是x=多少
<gadget id="calculator">13 - 10</gadget>
<output>3</output>

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

<result>3/2 = around 1.5</result>