45% of a number is 0.6 less than twice 4.8, what is this number?
一个数的45%比4.8的2倍少0.6，这个数是多少？
<gadget id="calculator">4.8 * 2</gadget>
<output>9.6</output>

<gadget id="calculator">9.6 - 0.6</gadget>
<output>9</output>

<gadget id="calculator">45 / 100</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">9 / (9/20)</gadget>
<output>20</output>

<result>20</result>