A triangular piece of land has a base length of 2.4 meters and a height of 30 decimeters. What is its area in square meters?
一块三角形地，底长2.4米，高30分米，它的面积是多少平方米．
<gadget id="calculator">30 / 10 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">2.4 * (3/2)</gadget>
<output>3.6</output>

<result>3.6</result>