It is known that the ratio of the two numbers A and B is 3:5, and the number B is 6 more than the number A, then what is the number B?
已知甲乙两个数的比是3：5，且乙数比甲数多6，那么乙数是多少．
<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 * 5</gadget>
<output>15</output>

<result>15</result>