A cuboid with a volume of 462 cubic centimeters is coated with a layer of paint on its surface, and then cut into several cubes with a side length of 1 cm. How many cubes are painted on top?
一个长方体体积462立方厘米，在它的表面涂上一层油漆，然后把它切成棱长1厘米的正方体若干，长宽高为整数，这时三面都有油漆的正方体有86个，有二面油漆的正方体多少个．
<gadget id="calculator">14 - 2</gadget>
<output>12</output>

<gadget id="calculator">33 - 2</gadget>
<output>31</output>

<gadget id="calculator">12 * 31</gadget>
<output>372</output>

<result>372</result>