express the calculation "four times as large as 126 + 645"

To express "four times as large as 126 + 645," first calculate \(126 + 645\):

\[ 
126 + 645 = 771 
\]

Then, multiply this sum by 4:

\[ 
4 \times 771 = 3084 
\]

So, the final result is 3084. Would you like more details or have any questions? 

1. How do you perform basic addition?
2. What are some properties of multiplication?
3. Can you explain the order of operations?
4. How would you express this calculation as an equation?
5. What other examples can you provide using similar calculations?

**Tip:** Always perform addition before multiplication unless parentheses dictate otherwise!

Discover how to calculate "four times as large as 126 + 645" with a clear step-by-step solution. This problem involves basic arithmetic operations, including addition and multiplication. Perfect for students in Grades 5-7.

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