A farmer has a rectangular field and wants to plant crops in a specific pattern. He decides to plant a row of crops every 1.5 meters along the length of the field, which is 45 meters long. If he starts planting at one end and plants a row every 1.5 meters until he reaches the other end, how many rows of crops will he plant? Let's think step by step and output the final answer within \boxed{}.
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