Cut a square piece of paper with a length of 18 cm and a width of 12 cm into a square piece of paper with a side length of 3 cm. How many such small squares can be cut in total?
把长为18厘米、宽是12厘米的正方形纸片剪成边长是3厘米的正方形纸片，共可剪成多少个这样的小正方形？
<gadget id="calculator">18 / 3</gadget>
<output>6</output>

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

<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<result>24</result>