The length of a cuboid box is (7/8) meters, the ratio of width to length is (1/3), and the height is (1/2) meters. What is the volume of this cuboid box in cubic meters?
一个长方体箱子的长是(7/8)米，宽比长短(1/3)，高是(1/2)米，这个长方体箱子的体积是多少立方米？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

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

<gadget id="calculator">(7/8) * (7/8) * (2/3) * (1/2)</gadget>
<output>49/192 = around 0.255208</output>

<result>49/192 = around 0.255208</result>