The upper bottom of a trapezoidal billboard is 10m, the lower bottom is 16m, and the height is 2m. The paint used for this billboard is 52 kg. How much paint is used per square meter on average?
一块梯形广告牌的上底是10m，下底是16m，高是2m，涂这块广告牌共用油漆52千克，平均每平方米用多少油漆？
<gadget id="calculator">10 + 16</gadget>
<output>26</output>

<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">26 * 1</gadget>
<output>26</output>

<gadget id="calculator">52 / 26</gadget>
<output>2</output>

<result>2</result>