To solve (2.5 \times 1.2):

Step 1: Break down the multiplication

We can split (1.2) into (1 + 0.2):
[2.5 \times 1.2 = 2.5 \times (1 + 0.2)]

Step 2: Distribute the multiplication

[= (2.5 \times 1) + (2.5 \times 0.2)]
[= 2.5 + 0.5]

Step 3: Add the results

[= 3]

Answer: (\boxed{3})

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