It is known that the product of two inner terms in a ratio is the smallest prime number, one outer term is (6/7), and what is the other outer term.
已知一个比例中两个内项的积是最小的质数，一个外项为(6/7)，另一个外项是多少．
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">2 / (6/7)</gadget>
<output>7/3 = around 2.333333</output>

<result>7/3 = around 2.333333</result>