Basic Math Examples

Evaluate 60*70
60706070
Step 1
Multiply using long multiplication.
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Step 1.1
Multiply 00 by 00. Place the result in the next column in the result line. There is one result line for each digit in 7070.
6600
×7700
00
Step 1.2
Multiply 00 by 66. Place the result in the next column in the result line. There is one result line for each digit in 7070.
6600
×7700
0000
Step 1.3
Multiply 77 by 00. Place the result in the next column in the result line. There is one result line for each digit in 7070.
6600
×7700
0000
00
Step 1.4
Multiply 77 by 66. Place the ones digit (2)(2) in the result line and carry the tens digit (4)(4). There is one result line for each digit in 7070.
6600
×7700
0000
442200
Step 1.5
Add the numbers in each column. In this case, add 0+00+0, then place the 00 in the result line.
6600
×7700
0000
442200
00
Step 1.6
Add the numbers in each column. In this case, add 0+00+0, then place the 00 in the result line.
6600
×7700
0000
442200
0000
Step 1.7
Add the numbers in each column. In this case, add 0+20+2, then place the 22 in the result line.
6600
×7700
0000
442200
220000
Step 1.8
Add the numbers in each column. In this case, add 0+40+4, then place the 44 in the result line.
6600
×7700
0000
442200
44220000
6600
×7700
0000
442200
44220000
Step 2
The result of 60706070 is 42004200.
42004200
 [x2  12  π  xdx ]  x2  12  π  xdx