cuboid pool is 120 meters long, 80 meters wide, and 4 meters deep. If cement is used on the four walls and bottom of the pool, if 6 kg of cement is used per square meter, how many tons of cement will be used to plaster the pool?
一个长方体的水池长120米、宽80米，深4米，在池的四壁和底面抹水泥，如果每平方米要用水泥6千克，那么抹好这个水池要用水泥多少吨？
<gadget id="calculator">120 * 80</gadget>
<output>9_600</output>

<gadget id="calculator">120 * 4</gadget>
<output>480</output>

<gadget id="calculator">80 * 4</gadget>
<output>320</output>

<gadget id="calculator">9_600 + 480 + 320</gadget>
<output>10_400</output>

<gadget id="calculator">10_400 * 2</gadget>
<output>20_800</output>

<gadget id="calculator">20_800 - 9_600</gadget>
<output>11_200</output>

<gadget id="calculator">6 / 1_000</gadget>
<output>3/500 = around 0.006</output>

<gadget id="calculator">11_200 * (3/500)</gadget>
<output>336/5 = around 67.2</output>

<result>336/5 = around 67.2</result>