In a ratio, the product of two inner terms is the smallest composite number, and one outer term is known to be 5, so what is the other outer term
在一个比例中，两个内项的积是最小的合数，已知一个外项是5，那么，另一个外项是多少
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>