cuboid with a length of 15 cm, a width of 25 cm, and a height of 9 cm is divided into several small cubes, and then assembled into a large cube. So, what is the surface area of this large cube in square centimetres?
一个长15厘米，宽25厘米，高9厘米的长方体分成若干个小立方体，再把它们拼成一个大立方体．那么，这个大立方体的表面积是多少平方厘米．
<gadget id="calculator">15 * 15 * 6</gadget>
<output>1_350</output>

<result>1_350</result>