Use small cubes with a volume of 1 cubic centimeter to build a cuboid, 6 in each row, a total of 5 rows, and 3 layers. What is the volume of this cuboid?
用体积是1立方厘米的小正方体搭长方体，每排6个，一共有5排，搭了3层．这个长方体的体积是多少？
<gadget id="calculator">6 * 5 * 3</gadget>
<output>90</output>

<gadget id="calculator">1 * 90</gadget>
<output>90</output>

<result>90</result>