The bunker of Chaoyang Primary School is 2.5 meters long, 1.5 meters wide and 6 decimeters deep. How many cubic meters of sand are needed to fill this bunker?
朝阳小学的沙坑长2.5米，宽1.5米，深6分米．填满这个沙坑需要沙多少立方米？
<gadget id="calculator">6 / 10</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">2.5 * 1.5 * (3/5)</gadget>
<output>2.25</output>

<result>2.25</result>