A cuboid wooden box is (13/5) meters long, (18/39) meters wide, and (15/7) meters high. What is the volume of this wooden box in cubic meters?
一个长方体木箱，长(13/5)米，宽(18/39)米，高(15/7)米，这个木箱的体积是多少立方米？
<gadget id="calculator">13 / 5</gadget>
<output>13/5 = around 2.6</output>

<gadget id="calculator">18 / 39</gadget>
<output>6/13 = around 0.461538</output>

<gadget id="calculator">15 / 7</gadget>
<output>15/7 = around 2.142857</output>

<gadget id="calculator">(13/5) * (6/13) * (15/7)</gadget>
<output>18/7 = around 2.571429</output>

<result>18/7 = around 2.571429</result>