How to calculate 81 multiplied by 54


Long Multiplication

How to calculate 81 multiplied by 54 using long multiplication. Here is step-by-step how to calculate 81 times 54 using long multiplication:

Step 1: Setup
Set up your multiplication problem like this:

              8 1
      x       5 4
                 

Step 2: Multiply
1 x 4 = 4. Put 4 below the line and 0 as a reminder on top:

              0  
              8 1
      x       5 4
                4

Step 3: Multiply
4 x 8 = 32. Take 32 and add 0 from the previous step to get 32. Enter 32 at the bottom:

              8 1
      x       5 4
            3 2 4

Step 4: Add 0
Enter a 0 at the bottom right as a place holder, because you now move over one digit:

              8 1
      x       5 4
            3 2 4
      +         0

Step 5: Multiply
5 x 1 = 5. Put 5 below the line and 0 as a reminder on top:

              0  
              8 1
      x       5 4
            3 2 4
      +       5 0

Step 6: Multiply
5 x 8 = 40. Take 40 and add 0 from the previous step to get 40. Enter 40 at the bottom:

              8 1
      x       5 4
            3 2 4
      +   4 0 5 0

Step 7: Add to get answer
Add up the bottom two numbers (324 + 4050 = 4374) to get the answer:

              8 1
      x       5 4
            3 2 4
      +   4 0 5 0
      =   4 3 7 4

The bottom line is the answer. Therefore, 81 times 54 equals:

4374


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How to calculate 82 multiplied by 54
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