In a ratio, the two outer terms are 0.25 and 4, one of the inner terms is 0.24, and the other inner term is how much.
在一个比例中，两个外项分别是0.25和4，其中的一个内项是0.24，另一个内项是多少．
<gadget id="calculator">6 / 25</gadget>
<output>6/25 = around 0.24</output>

<result>6/25 = around 0.24</result>