3×9×7×2

3×9×7×2 is a mathematical expression representing the product of four integers. The multiplication can be performed in any order due to the commutative property of multiplication. One common method is to group the numbers to simplify the calculation. For example, (3×9)×(7×2) can be calculated as follows:

First, multiply 3 by 9, which equals 27.

Next, multiply 7 by 2, which equals 14.

Finally, multiply the results of the previous steps, 27 and 14, which equals 378.

Therefore, 3×9×7×2 equals 378. This expression is often used in various mathematical contexts, such as factoring, simplifying algebraic expressions, and solving word problems. It is also a useful exercise in basic multiplication skills.