A parallelogram and a triangle have the same base and height, the difference between their areas is 24 square decimeters, what is the sum of their areas?
一个平行四边形和一个三角形等底等高，它们的面积差是24平方分米，它们的面积和是多少平方分米．
<gadget id="calculator">2 - 1</gadget>
<output>1</output>

<gadget id="calculator">24 / 1</gadget>
<output>24</output>

<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">24 * 3</gadget>
<output>72</output>

<result>72</result>