The length and width of rectangle B are respectively (3/8) and (2/5) of rectangle A. Given that the area of rectangle A is 240 square meters, what is the area of rectangle B?
长方形乙的长和宽分别是长方形甲的(3/8)和(2/5)，已知长方形甲的面积是240平方米，求长方形乙的面积是多少？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

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

<gadget id="calculator">(3/8) * (2/5)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">240 * (3/20)</gadget>
<output>36</output>

<result>36</result>