Mom's birthday is coming, Nan Nan carefully selected a gift for her mother, and packed it in a beautiful cuboid gift box. The length of this gift box is (2/5) meters, the width is (3/20) meters, and the height is (1/10) meters. What is the volume in cubic meters?
妈妈的生日到了，南南为妈妈精心挑选了一份礼物，并用漂亮的长方体礼品盒包装起来．这个礼品盒的长是(2/5)米，宽是(3/20)米，高是(1/10)米，体积是多少立方米．
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">3 / 20</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(2/5) * (3/20) * (1/10)</gadget>
<output>3/500 = around 0.006</output>

<result>3/500 = around 0.006</result>