Around a square lawn with a side length of 200 meters in the "Colorful Garden", a colorful flag is inserted every 5 meters, and all four corners are inserted. How many colored flags should be inserted in total?
在"五彩田园"一块边长是200米的正方形草坪的四周，每隔5米插1面彩旗，且四个角都插，一共要插多少面彩旗？
<gadget id="calculator">200 / 5</gadget>
<output>40</output>

<gadget id="calculator">40 + 1</gadget>
<output>41</output>

<gadget id="calculator">41 * 4</gadget>
<output>164</output>

<gadget id="calculator">164 - 4</gadget>
<output>160</output>

<result>160</result>