The base of the triangle is 4 meters and the height is 2.5 meters. What is the area of the parallelogram with the same base and height in square meters?
三角形的底是4米，高是2.5米，与它等底等高的平行四边形的面积是多少平方米
<gadget id="calculator">2.5 / 2</gadget>
<output>1.25</output>

<gadget id="calculator">4 * 1.25 * 2</gadget>
<output>10</output>

<result>10</result>