A cuboid fish tank is 0.5 meters long, 0.3 meters wide, and 0.2 meters high. What is the volume of this fish tank in liters?
一个长方体鱼缸，长0.5米，宽0.3米，高0.2米，这个鱼缸的容积是多少升？
<gadget id="calculator">0.5 * 0.3 * 0.2 * 1 * 1_000</gadget>
<output>30</output>

<result>30</result>