You got your result: 27x34=918 Method 3: Rounding and Adjusting This method is fantastic when one or both numbers are close to a multiple of 10 (e.g., 19,21,48,52). You round, multiply, and then ...

9 is multiplied by 4, 1, and 3; then 5 is multiplied by 4, 1, and 3, and so on. The result ends up with 9 digit-by-digit products.