The volume of a cuboid is (4/14) decimeter and the area of its base is (10/21) decimeter. What is the height of this cuboid?
一个长方体的体积是(4/14)立方分米，它的底面积是(10/21)平方分米．这个长方体的高是多少？
<gadget id="calculator">4 / 14</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">10 / 21</gadget>
<output>10/21 = around 0.47619</output>

<gadget id="calculator">(2/7) / (10/21)</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>