The ratio of A to B is 5:7, the number of A is 10, what is the number of B.
甲与乙的比是5：7，甲数是10，乙数是多少．
<gadget id="calculator">7 / 5</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">10 * (7/5)</gadget>
<output>14</output>

<result>14</result>