The mass of a watermelon is 4 kg, the mass of 6 apples is 1 kg, the mass of a watermelon is equal to the mass of how many apples.
一个西瓜的质量是4千克，6个苹果的质量是1千克，一个西瓜的质量相当于多少个苹果的质量．
<gadget id="calculator">6 / 1</gadget>
<output>6</output>

<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<result>24</result>