A truck compartment is 3.5 meters long and 2 meters wide, and the sand inside is 8 decimeters high. If the sand weighs 1.6 tons per cubic meter, how many tons does the truck weigh?
一辆货车的车厢长3.5米，宽2米，里面装的沙子高8分米，如果每立方米沙子重1.6吨，这车沙子重多少吨？
<gadget id="calculator">8 / 10</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">3.5 * 2 * (4/5) * 1.6</gadget>
<output>8.96</output>

<result>8.96</result>