If the length of the base of a triangle is increased by 20% and the height of the base is shortened by 20%, then the area of the new triangle is equal to the area of the original triangle.
如果一个三角形的底边长增加20%，底边上的高缩短20%，那么这个新三角形的面积是原来三角形面积的多少．
<gadget id="calculator">96 / 100</gadget>
<output>24/25 = around 0.96</output>

<result>24/25 = around 0.96</result>