The base of the parallelogram is (4/15) meters and the height is (2/5). How many square meters is the area?
平行四边形的底是(4/15)米，是高的(2/5)．面积是多少平方米？
<gadget id="calculator">4 / 15</gadget>
<output>4/15 = around 0.266667</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

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

<gadget id="calculator">(4/15) * (2/3)</gadget>
<output>8/45 = around 0.177778</output>

<result>8/45 = around 0.177778</result>