A cuboid is cut into two cubes exactly, and the surface area increases by 7 square meters after cutting. What is the surface area of the cuboid in square meters?
一个长方体恰好切成两个正方体，切开后表面积增加了7平方米，这个长方体的表面积是多少平方米．
<gadget id="calculator">7 / 2</gadget>
<output>7/2 = around 3.5</output>

<gadget id="calculator">(7/2) * 10</gadget>
<output>35</output>

<result>35</result>