Junjun made a cuboid-shaped birdcage for the newly purchased parrot. The length of the birdcage is (6/7) meters, the width is (1/2) long, and the height is (5/3) wide. How much space does this cage take up?
军军为新买的鹦鹉做了一个长方体形状的鸟笼．鸟笼的长是(6/7)米，宽是长的(1/2)，高是宽的(5/3)．这个鸟笼所占的空间有多大？
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">5 / 3</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">(6/7) * (6/7) * (1/2) * (6/7) * (1/2) * (5/3)</gadget>
<output>90/343 = around 0.262391</output>

<result>90/343 = around 0.262391</result>