Evaluate \(123 \times 5 + 123 \times 15\).
Answer: A
Using the distributive property \(a \times b + a \times c = a \times (b+c)\).
Here, a = 123, b = 5, c = 15.
The expression is \(123 \times (5 + 15) = 123 \times 20\).
\(123 \times 20 = 2460\).