1. The problem is to multiply 10 by 18 and then divide the result by 2. 2. The formula for this operation is $$\frac{10 \times 18}{2}$$. 3. First, multiply 10 by 18: $$10 \times 18 = 180$$ 4. Next, divide 180 by 2: $$\frac{180}{2} = 90$$ 5. Therefore, the final answer is 90.