The difference between 7 times a number and 2.92 is 25.08. Find this number.
一个数的7倍与2.92的差是25.08，求这个数．
<gadget id="calculator">25.08 + 2.92</gadget>
<output>28</output>

<gadget id="calculator">28 / 7</gadget>
<output>4</output>

<result>4</result>