In a party, the ratio of boys to girls is 7:5, and the number of boys is 60 more than the number of girls. How many people will attend this party?
一次晚会，男生和女生的人数比是7：5，男生的人数比女生的人数多60人，参加这次晚会有多少人？
<gadget id="calculator">7 - 5</gadget>
<output>2</output>

<gadget id="calculator">60 / 2</gadget>
<output>30</output>

<gadget id="calculator">7 + 5</gadget>
<output>12</output>

<gadget id="calculator">30 * 12</gadget>
<output>360</output>

<result>360</result>