Cut a rectangular paper with a length of 4 decimeters and a width of 3 decimeters into two identical triangles. What is the area of each triangle?
把一个长4分米、宽3分米的长方形纸剪成两个完全一样的三角形，每个三角形的面积是多少平方分米．
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">4 * (3/2)</gadget>
<output>6</output>

<result>6</result>