A triangle and a parallelogram with the same base and the same height, the area of the triangle is 26.5 square centimeters, what is the area of the parallelogram in square centimeters?
同底等高的三角形和平行四边形，三角形的面积是26.5平方厘米，平行四边形的面积是多少平方厘米？
<gadget id="calculator">26.5 * 2</gadget>
<output>53</output>

<result>53</result>