The area of a rectangle is (8/15) square meters, the length is (4/5) meters, and the width is how many meters.
一个长方形的面积是(8/15)平方米，长是(4/5)米，宽是多少米．
<gadget id="calculator">8 / 15</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(8/15) / (4/5)</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>