(5/7) of number A is equal to number B, and number B is 35, then what is number A
甲数的(5/7)和乙数相等，乙数是35，则甲数是多少
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">35 / (5/7)</gadget>
<output>49</output>

<result>49</result>