If the base of the triangle is 6 cm and its corresponding height is 4 cm, what is the area of the triangle in square centimeters?
三角形的底是6厘米，和它对应的高是4厘米，三角形的面积是多少平方厘米．
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<result>12</result>