A parallelogram and a triangle have a total of 56.7 square meters, and their bases and heights are equal. What is the area of this parallelogram?
一块平行四边形地和一块三角形地一共56.7平方米，它们的底和高分别相等．这块平行四边形地的面积是多少？
<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">56.7 * (2/3)</gadget>
<output>37.8</output>

<result>37.8</result>