The sum of the greatest common factor and the least common multiple of two numbers A and B is 96, and their ratio is 5:3. What is the number B?
甲乙两数的最大公因数和最小公倍数的和是96，它们的比是5：3，乙数是多少．
<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<gadget id="calculator">15 + 1</gadget>
<output>16</output>

<gadget id="calculator">96 / 16</gadget>
<output>6</output>

<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<result>18</result>