If the base of a parallelogram is 24 decimeters and the height is 90 centimeters, what is the area of the triangle with the same base and height in square decimeters?
一个平行四边形底是24分米，高是90厘米，和它等底等高的三角形面积是多少平方分米．
<gadget id="calculator">216 / 2</gadget>
<output>108</output>

<gadget id="calculator">108 * 10</gadget>
<output>1_080</output>

<result>1_080</result>