In a ratio, the product of two inner terms is the smallest composite number. It is known that one outer term is 0.25 and the other outer term is.
在一个比例里，两个内项的积是最小的合数，已知一个外项是0.25，另一个外项是多少．
<gadget id="calculator">4 / 0.25</gadget>
<output>16</output>

<result>16</result>