Subtract 2 from 5 times x, the difference is 38, what is x?
x的5倍减去2，差是38，x是多少？
<gadget id="calculator">38 + 2</gadget>
<output>40</output>

<gadget id="calculator">40 / 5</gadget>
<output>8</output>

<result>8</result>