A cuboid is (3/4) meters long, (4/7) meters wide, and (7/9) meters high, what is its volume?
一个长方体长(3/4)米，宽(4/7)米，高(7/9)米，它的体积是多少？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">(3/4) * (4/7) * (7/9)</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>