The number of A is 56, which is (7/8) of the number B. What is the number of B?
甲数是56，是乙数的(7/8)，乙数是多少？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">56 / (7/8)</gadget>
<output>64</output>

<result>64</result>