30% of a number plus 2 equals 9.2. What is this number?
一个数的30%加上2等于9.2．这个数是多少？
<gadget id="calculator">9.2 - 2</gadget>
<output>7.2</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">7.2 / (3/10)</gadget>
<output>24</output>

<result>24</result>