swimming pool is 12 meters long, 8 meters wide, and 2 meters deep. Tiles should be pasted on the walls and bottom of the swimming pool. If tiles are 20 yuan per square meter, how much tiles do you need to buy in total?
一个游泳池长12米，宽8米，深2米，要在游泳池的四壁和底面贴上磁砖．如果每平方米磁砖20元，一共需要买多少元的磁砖？
<gadget id="calculator">12 * 8</gadget>
<output>96</output>

<gadget id="calculator">12 * 2 * 2</gadget>
<output>48</output>

<gadget id="calculator">8 * 2 * 2</gadget>
<output>32</output>

<gadget id="calculator">96 + 48 + 32</gadget>
<output>176</output>

<gadget id="calculator">176 * 20</gadget>
<output>3_520</output>

<result>3_520</result>