A rectangular wooden box is (3/5) meters long, (4/7) meters wide, and (1/2) meters high. What is its volume?
一个长方形的木箱，长(3/5)米，宽(4/7)米，高(1/2)米，它的体积是多少．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

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

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

<gadget id="calculator">(3/5) * (4/7) * (1/2)</gadget>
<output>6/35 = around 0.171429</output>

<result>6/35 = around 0.171429</result>