Solution - Long multiplication

Start by multiplying the ones digit (4) of the multiplier 4 by each digit of the multiplicand 256, from right to left.

Multiply the ones digit (4) of the multiplicator by the number in the ones place value:
4×6=24

Write 4 in the ones place.

Because the result is greater than 9, carry the 2 to the tens place.

Multiply the ones digit (4) of the multiplicator by the number in the tens place value and add the carried number (2):
4×5+2=22

Write 2 in the tens place.

Because the result is greater than 9, carry the 2 to the hundreds place.

Multiply the ones digit (4) of the multiplicator by the number in the hundreds place value and add the carried number (2):
4×2+2=10

Write 0 in the hundreds place.

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

The solution is: 1,024