The school fence is 200 meters long and 2.5 meters high, and the inside and outside of the fence are painted. If 0.6L of paint is needed per square meter (assuming no loss), how many liters of paint are needed in total?
学校围墙长200米、高2.5米，将围墙内外进行粉刷，如果每平方米需用涂料0.6L(假设无损耗)，共需涂料多少升？
<gadget id="calculator">200 * 2.5 * 2 * 0.6</gadget>
<output>600</output>

<result>600</result>