The area of a parallelogram is (8/11)m**2, the height is 2m, what is the length of its base.
一个平行四边形的面积是(8/11)m**2，高是2m，它的底边长是多少．
<gadget id="calculator">8 / 11</gadget>
<output>8/11 = around 0.727273</output>

<gadget id="calculator">(8/11) / 2</gadget>
<output>4/11 = around 0.363636</output>

<result>4/11 = around 0.363636</result>