The base of the parallelogram is 4.5 meters and the height is 1.2 meters. What is the area of the triangle with the same base and height in square meters?
平行四边形的底是4.5米，高是1.2米，与它等底等高的三角形的面积是多少平方米．
<gadget id="calculator">1.2 / 2</gadget>
<output>0.6</output>

<gadget id="calculator">4.5 * 0.6</gadget>
<output>2.7</output>

<result>2.7</result>