The ratio of number A to number B is 5:7, number A is 35, what is the number B.
甲数和乙数的比是5：7，甲数是35，乙数是多少．
<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>