The perimeter of a rectangle is 120 decimeters, and its width is 2/3 of its length. What is the area of this rectangle?
一个长方形的周长是120分米，宽是长的(2/3)，这个长方形的面积是多少？
<gadget id="calculator">120 / 2</gadget>
<output>60</output>

<gadget id="calculator">2 + 3</gadget>
<output>5</output>

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

<gadget id="calculator">60 * (2/5)</gadget>
<output>24</output>

<gadget id="calculator">60 - 24</gadget>
<output>36</output>

<gadget id="calculator">24 * 36</gadget>
<output>864</output>

<result>864</result>