Basic Math Examples

438
Step 1
Multiply using long multiplication.
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Step 1.1
Multiply 8 by 4. Place the ones digit (2) in the result line and carry the tens digit (3). There is one result line for each digit in 38.
4
38
32
Step 1.2
Multiply 3 by 4. Place the ones digit (2) in the result line and carry the tens digit (1). There is one result line for each digit in 38.
4
38
32
12
Step 1.3
Add the numbers in each column. In this case, add 2+0, then place the 2 in the result line.
4
38
32
12
2
Step 1.4
Add the numbers in each column. In this case, add 3+2, then place the 5 in the result line.
4
38
32
12
52
Step 1.5
Add the numbers in each column. In this case, add 0+1, then place the 1 in the result line.
4
38
32
12
152
4
38
32
12
152
Step 2
The result of 438 is 152.
152
438
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π
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 [x2  12  π  xdx ]