In a ratio, the product of two outer terms is the smallest composite number, one inner term is (4/3), and the other inner term is what.
在一个比例里，两个外项的积是最小合数，一个内项是(4/3)，另一个内项是多少．
<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">4 / (4/3)</gadget>
<output>3</output>

<result>3</result>