Solution - Long multiplication

Start by multiplying the ones digit (6) of the multiplier 6 by each digit of the multiplicand 225, from right to left.

Multiply the ones digit (6) of the multiplicator by the number in the ones place value:
6×5=30

Write 0 in the ones place.

Because the result is greater than 9, carry the 3 to the tens place.

Multiply the ones digit (6) of the multiplicator by the number in the tens place value and add the carried number (3):
6×2+3=15

Write 5 in the tens place.

Because the result is greater than 9, carry the 1 to the hundreds place.

Multiply the ones digit (6) of the multiplicator by the number in the hundreds place value and add the carried number (1):
6×2+1=13

Write 3 in the hundreds place.

Because the result is greater than 9, carry the 1 to the thousands place.

The solution is: 1,350