There is a group of students arranged in a hollow square. There are 56 people in the outermost layer and 32 people in the innermost layer. How many students are there in this group?
有一队学生，排成中空方阵，最外层的人数共56人，最内层的人数共32人，这一队学生共有多少人？
<gadget id="calculator">56 - 32</gadget>
<output>24</output>

<gadget id="calculator">24 / 8</gadget>
<output>3</output>

<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">56 / 4</gadget>
<output>14</output>

<gadget id="calculator">14 + 1</gadget>
<output>15</output>

<gadget id="calculator">15 - 4</gadget>
<output>11</output>

<gadget id="calculator">11 * 4 * 4</gadget>
<output>176</output>

<result>176</result>