The ratio of the base to the height of an isosceles triangle is 3:8. Cut it along the height of the base to form a rectangle. The perimeter of this rectangle is 95 cm. What is the area of the rectangle in square centimeters?
一个等腰三角形底和高的比是3：8，把它沿底边上的高剪开，拼成一个长方形，这个长方形周长是95厘米，长方形的面积是多少平方厘米．
<gadget id="calculator">16 + 3</gadget>
<output>19</output>

<gadget id="calculator">16 / 19</gadget>
<output>16/19 = around 0.842105</output>

<gadget id="calculator">(16/19) / 2</gadget>
<output>8/19 = around 0.421053</output>

<gadget id="calculator">95 * (8/19)</gadget>
<output>40</output>

<gadget id="calculator">3 / 19</gadget>
<output>3/19 = around 0.157895</output>

<gadget id="calculator">(3/19) / 2</gadget>
<output>3/38 = around 0.078947</output>

<gadget id="calculator">95 * (3/38)</gadget>
<output>15/2 = around 7.5</output>

<gadget id="calculator">40 * (15/2)</gadget>
<output>300</output>

<result>300</result>