A rectangular plank is (3/5) meters long and (5/6) wide. What is the area of this rectangle in square meters.
一块长方形木板，长(3/5)米，宽是长的(5/6)．这块长方形的面积是多少平方米．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(3/5) * (5/6) * (3/5)</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>