3,6⋅4,5−0,28 .

Let's calculate the expression step by step:

First, multiply \(3.6\) and \(4.5\): \[ 3.6 \times 4.5 = 16.2 \]

Next, subtract \(0.28\) from \(16.2\): \[ 16.2 - 0.28 = 15.92 \]

So, the result of \(3.6 \cdot 4.5 - 0.28\) is \(15.92\).