The ratio of the number of boys and girls in the sixth grade is 9:5, and there are 60 fewer girls than boys. How many people are there in the sixth grade?
六年级男女生人数比是9：5，女比男少60人．六年级共有多少人？
<gadget id="calculator">9 - 5</gadget>
<output>4</output>

<gadget id="calculator">60 / 4</gadget>
<output>15</output>

<gadget id="calculator">9 + 5</gadget>
<output>14</output>

<gadget id="calculator">15 * 14</gadget>
<output>210</output>

<result>210</result>