60% of a number is 19.2, what is its 90%?
一个数的60%是19.2，它的90%是多少？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">19.2 / (3/5)</gadget>
<output>32</output>

<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">32 * (9/10)</gadget>
<output>144/5 = around 28.8</output>

<result>144/5 = around 28.8</result>