According to the ratio 24:8=9:3, if the first item is 24-6, how much will the second item become to make the equation true.
根据比例24：8=9：3，如果第一项24-6，第二项变成多少才能使等式成立．
<gadget id="calculator">24 - 6</gadget>
<output>18</output>

<gadget id="calculator">18 * 3</gadget>
<output>54</output>

<gadget id="calculator">54 / 9</gadget>
<output>6</output>

<result>6</result>