It is known that the product of two factors is 1, one of which is (7/3), and what is the other factor.
已知两个因数的积是1，其中的一个因数是(7/3)，另一个因数是多少．
<gadget id="calculator">7 / 3</gadget>
<output>7/3 = around 2.333333</output>

<gadget id="calculator">1 / (7/3)</gadget>
<output>3/7 = around 0.428571</output>

<result>3/7 = around 0.428571</result>