The ratio of 1.5 to X is equal to the ratio of 3.6 to 4.8.
1.5和X的比等于3.6和4.8的比．
<gadget id="calculator">1.5 * 4.8</gadget>
<output>7.2</output>

<gadget id="calculator">7.2 / 3.6</gadget>
<output>2</output>

<result>2</result>