The length of a rectangular plank is (4/5) meters, the width is (2/3) meters, and it is (1/15) square meters larger than the other rectangular plank. How many square meters is the other plank?
一个长方形木板的长是(4/5)米，宽是(2/3)米，比另一块长方形木板大(1/15)平方米，另一块木板有多少平方米．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(4/5) * (2/3)</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">(8/15) - (1/15)</gadget>
<output>7/15 = around 0.466667</output>

<result>7/15 = around 0.466667</result>