The height of a triangle is 3 decimeters and the base is 4.8 decimeters. What is the area of this triangle?
一个三角形的高是3分米，底是4.8分米，这个三角形的面积是多少平方分米？
<gadget id="calculator">4.8 / 2</gadget>
<output>2.4</output>

<gadget id="calculator">3 * 2.4</gadget>
<output>7.2</output>

<result>7.2</result>