Divide a cube with a surface area of 30 square centimeters into two cuboids, and then put the two cuboids together to form a large cuboid. What is the surface area of this large cuboid?
将一个表面积是30平方厘米的正方体等分成两个长方体，再将两个长方体拼成一个大长方体，这个大长方体的表面积是多少平方厘米．
<gadget id="calculator">30 / 6</gadget>
<output>5</output>

<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">10 - 5</gadget>
<output>5</output>

<gadget id="calculator">30 + 5</gadget>
<output>35</output>

<result>35</result>