Calculating five times the number 42

To calculate five times the number 42, you use multiplication, specifically multiplying 42 by 5. Multiplication here means you are taking the value of 42 and combining it five times, which scales the number up proportionally. Think of it as adding 42 five separate times: 42 + 42 + 42 + 42 + 42. Performing the operation 42 * 5 accomplishes this in a single step. The expression 210 captures this calculation, so when you substitute any value for 42, evaluating 42 * 5 will give you five times that original number.