cuboid bunker is filled with sand. The bunker is 3 meters long, 1.5 meters wide, and 2 meters deep. Each cubic meter of sand weighs 1400 kg. How many tons of sand are contained in this bunker?
一个长方体的沙坑装满沙子，这个沙坑长3米，宽1.5米，深2米，每立方米沙子重1400千克．这个沙坑里共装沙子多少吨？
<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>

<gadget id="calculator">1_400 / 1_000</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">3 * 1.5 * 2 * (7/5)</gadget>
<output>12.6</output>

<result>12.6</result>