Solution - Long multiplication

Start by multiplying the ones digit (3) of the multiplier 3 by each digit of the multiplicand 8,142, from right to left.

Multiply the ones digit (3) of the multiplicator by the number in the ones place value:
3×2=6

Write 6 in the ones place.

Multiply the ones digit (3) of the multiplicator by the number in the tens place value:
3×4=12

Write 2 in the tens place.

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

Multiply the ones digit (3) of the multiplicator by the number in the hundreds place value and add the carried number (1):
3×1+1=4

Write 4 in the hundreds place.

Multiply the ones digit (3) of the multiplicator by the number in the thousands place value:
3×8=24

Write 4 in the thousands place.

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

The solution is: 24,426