The sum of the numbers A and B is 16, and the number A is (3/5) of the number B, then what is the number B equal to?
甲乙两数的和是16，甲数是乙数的(3/5)，则乙数等于多少．
<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">16 * (5/8)</gadget>
<output>10</output>

<result>10</result>