In a group gymnastics performance, there are 64 people in the outermost layer of a hollow square and 32 people in the innermost layer. How many people participated in the group gymnastics performance?
在一次团体操表演中，有一个中空方阵最外层有64人，最内层有32人，参加团体操表演的共有多少人？
<gadget id="calculator">64 / 4</gadget>
<output>16</output>

<gadget id="calculator">16 + 1</gadget>
<output>17</output>

<gadget id="calculator">64 - 32</gadget>
<output>32</output>

<gadget id="calculator">32 / 8</gadget>
<output>4</output>

<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">17 - 5</gadget>
<output>12</output>

<gadget id="calculator">12 * 5 * 4</gadget>
<output>240</output>

<result>240</result>