Divide a parallelogram into two trapezoids on average. The product of the upper base and the height of one trapezoid is 0.7 square meters, and the product of the lower base and the height is 1.35 square meters. What is the area of the original parallelogram in square meters?
把一个平行四边形平均分成两个梯形，其中一个梯形的上底与高的积是0.7平方米，下底与高的积是1.35平方米，原来平行四边形的面积是多少平方米．
<gadget id="calculator">0.7 + 1.35</gadget>
<output>2.05</output>

<gadget id="calculator">2.05 / 2</gadget>
<output>1.025</output>

<gadget id="calculator">1.025 * 2</gadget>
<output>2.05</output>

<result>2.05</result>