Cut a piece of rectangular paper with a length of 135 cm and a width of 75 cm into square paper of the same size. If the side length of the cut square is 5 cm, how many pieces can be cut?
把一张长135厘米，宽75厘米的长方形纸裁成同样大小的正方形纸，如果裁成的正方形边长是5厘米，能裁多少块？
<gadget id="calculator">135 / 5</gadget>
<output>27</output>

<gadget id="calculator">75 / 5</gadget>
<output>15</output>

<gadget id="calculator">27 * 15</gadget>
<output>405</output>

<result>405</result>