A triangle and a parallelogram have the same base and the same height, and their areas differ by 16 square decimeters. What is the sum of their areas?
一个三角形与一个平行四边形底相等，高也相等，它们的面积相差16平方分米，它们的面积和是多少平方分米．
<gadget id="calculator">16 * 2</gadget>
<output>32</output>

<gadget id="calculator">16 + 32</gadget>
<output>48</output>

<result>48</result>