The ratio of the number of students in Class 1 and Class 2 of the sixth grade is 5:6. If Class 2 has 7 more students than Class 1, how many students are there in the two classes?
六年级一班和二班人数的比是5：6，如果二班比一班多7人，两个班一共有多少人？
<gadget id="calculator">6 - 5</gadget>
<output>1</output>

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

<gadget id="calculator">6 + 5</gadget>
<output>11</output>

<gadget id="calculator">7 * 11</gadget>
<output>77</output>

<result>77</result>