The base of the triangle is 2.4 decimeters, and the height is 0.6 decimeters shorter than the base. What is the area of the triangle?
三角形的底是2.4分米，高比底短0.6分米，三角形的面积是多少平方分米？
<gadget id="calculator">2.4 - 0.6</gadget>
<output>1.8</output>

<gadget id="calculator">1.8 / 2</gadget>
<output>0.9</output>

<gadget id="calculator">2.4 * 0.9</gadget>
<output>2.16</output>

<result>2.16</result>