If the base of the triangle is increased by 10% and the height is shortened by 10%, what percentage is the area of the triangle now compared to the area of the original triangle?
三角形的底增加10%，高缩短10%，那么现在三角形面积是原三角形面积的百分之几？
<gadget id="calculator">99 / 100</gadget>
<output>99/100 = around 0.99</output>

<result>99/100 = around 0.99</result>