0.2 times of 12 is equal to how many times of 0.3.
12的0.2倍和0.3的多少倍相等．
<gadget id="calculator">0.2 / 0.3</gadget>
<output>0.666667</output>

<gadget id="calculator">12 * 0.666667</gadget>
<output>8.000004</output>

<result>8.000004</result>