A cuboid bunker is 5 meters long and 1.8 meters wide. It needs to be filled with sand 60 centimeters thick and weighs 1.5 tons per cubic meter of sand. How many tons of sand will this bunker be filled with?
一个长方体沙坑，长5米，宽1.8米，要填60厘米厚的沙，每立方米沙重1.5吨．这个沙坑要填沙多少吨？
<gadget id="calculator">5 * 1.8 * 0.6</gadget>
<output>5.4</output>

<gadget id="calculator">5.4 * 1.5</gadget>
<output>8.1</output>

<result>8.1</result>