A's number is 16, which is (1/7) of B's number. What is B's number?
甲数是16，是乙数的(1/7)，乙数是多少．
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">16 / (1/7)</gadget>
<output>112</output>

<result>112</result>