A cuboid fish tank is (1/2) meter long, (2/5) meter wide, and (1/5) meter high. How many cubic meters of water can this fish tank hold?
一个长方体鱼缸，长(1/2)米，宽(2/5)米，高(1/5)米．这个鱼缸最多能装水多少立方米？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/2) * (2/5) * (1/5)</gadget>
<output>1/25 = around 0.04</output>

<result>1/25 = around 0.04</result>