3x21x12

"3x21x12" is an integer expression involving multiplication of three factors: 3, 21, and 12. It is a simple arithmetic calculation often used in various contexts such as mathematics, volume calculations, or other applications requiring the multiplication of three numbers.

The primary purpose of evaluating "3x21x12" is to determine the product of these three integers. Performing the multiplication step-by-step, first 3 multiplied by 21 equals 63, and then 63 multiplied by 12 results in 756. Therefore, the value of "3x21x12" is 756.

This type of calculation can be encountered in real-world contexts such as calculating the volume of a rectangular object, where 3, 21, and 12 could represent its length, width, and height respectively. In educational settings, such expressions are used to teach multiplication and order of operations.

The numbers involved—3, 21, and 12—are all integers. The number 3 is a prime number, while 21 is a composite number with factors 3 and 7, and 12 is also composite with factors 2, 3, and 4. These properties may be relevant for understanding common factors or simplifying more complex calculations involving these numbers.

In summary, "3x21x12" is a straightforward multiplication expression whose product is 756, an integer with various applications depending on context.