The base of a parallelogram is (2/3)m, the height is (3/4) of the base, what is its area?
一个平行四边形的底是(2/3)m，高是底的(3/4)，它的面积是多少．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(2/3) * (3/4) * (2/3)</gadget>
<output>1/3 = around 0.333333</output>

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