The ratio of the numbers A and B is 6:5, the difference between the two numbers is 7, what is the number B
甲、乙两数的比是6：5，两数的差是7，乙数是多少
<gadget id="calculator">6 - 5</gadget>
<output>1</output>

<gadget id="calculator">7 / 1</gadget>
<output>7</output>

<gadget id="calculator">7 * 5</gadget>
<output>35</output>

<result>35</result>