The students perform group gymnastics and line up in a square formation of 10 people. How many people are there in the outermost two floors?
同学们进行团体体操表演，排成10人一行的正方形方阵，最外两层共有多少人．
<gadget id="calculator">10 * 4</gadget>
<output>40</output>

<gadget id="calculator">40 - 4</gadget>
<output>36</output>

<gadget id="calculator">10 - 2</gadget>
<output>8</output>

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

<gadget id="calculator">32 - 4</gadget>
<output>28</output>

<gadget id="calculator">36 + 28</gadget>
<output>64</output>

<result>64</result>