5 times x minus the quotient of 2.5 divided by 5, the difference is 38. Seek x.
x的5倍减去2.5除5的商，差得38．求x．
<gadget id="calculator">5 / 2.5</gadget>
<output>2</output>

<gadget id="calculator">38 + 2</gadget>
<output>40</output>

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

<result>8</result>