Solution - Long multiplication
72
Step-by-step explanation
1. Rewrite the numbers from top to bottom aligned to the right
| Place value | tens | ones |
| 1 | 8 | |
| × | 4 | |
2. Multiply the numbers using long multiplication method
Start by multiplying the ones digit (4) of the multiplier 4 by each digit of the multiplicand 18, from right to left.
Multiply the ones digit (4) of the multiplicator by the number in the ones place value:
4×8=32
Write 2 in the ones place.
Because the result is greater than 9, carry the 3 to the tens place.
| Place value | tens | ones |
| 3 | ||
| 1 | 8 | |
| × | 4 | |
| 2 |
Multiply the ones digit (4) of the multiplicator by the number in the tens place value and add the carried number (3):
4×1+3=7
Write 7 in the tens place.
| Place value | tens | ones |
| 3 | ||
| 1 | 8 | |
| × | 4 | |
| 7 | 2 |
The solution is: 72
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