In the proportion, the product of two inner terms is the smallest composite number, one outer term is 8, and the other outer term is how much.
在比例里，两个内项的积是最小的合数，一个外项是8，另一个外项是多少．
<gadget id="calculator">4 / 8</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>