Make a square tin bucket without a lid whose edge length is 10 decimeters, and paint its inside and outside. If it costs 8 yuan per square meter, how much is the total cost to paint the tin bucket.
制作棱长是10分米一个无盖的正方体铁皮桶，并且给它的内外涂漆．如果每平方米需要8元，给这个铁皮桶涂漆一共需要多少元．
<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">10 * 10 * (1/10) * 8</gadget>
<output>80</output>

<result>80</result>