The number A is 85, which is equivalent to 17% of the number B. What is the number B?
甲数是85，相当于乙数的17%，乙数是多少？
<gadget id="calculator">17 / 100</gadget>
<output>17/100 = around 0.17</output>

<gadget id="calculator">85 / (17/100)</gadget>
<output>500</output>

<result>500</result>