A cuboid wood block with a length of 75cm, a width of 60cm, and a height of 45cm is sawn into the largest equal cuboid without any surplus. How many pieces can be sawn in total?
长75cm，宽60cm，高45cm的长方体木块，锯成相等的最大的长方体，不能有剩余，一共可锯成多少块．
<gadget id="calculator">3 * 5</gadget>
<output>15</output>

<gadget id="calculator">60 / 15</gadget>
<output>4</output>

<gadget id="calculator">45 / 15</gadget>
<output>3</output>

<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<result>12</result>