In a ratio, the two outer terms are reciprocals of each other, one of the inner terms is 6, and the other inner term is 6.
在一个比例中，两个外项互为倒数，其中一个内项6，另一个内项是多少．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>