There is a group of soldiers, which formed a solid phalanx. There are 240 people in the outermost layer for a week. How many people are there on each side of the outermost layer of the phalanx?
有一队士兵，排成了一个实心方阵，最外层一周共有240人，这个方阵最外层每边有多少人？
<gadget id="calculator">240 / 4</gadget>
<output>60</output>

<gadget id="calculator">60 + 1</gadget>
<output>61</output>

<result>61</result>