Solution - Long multiplication

Start by multiplying the ones digit (4) of the multiplier 4 by each digit of the multiplicand 23, from right to left.

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

Write 2 in the ones place.

Because the result is greater than 9, carry the 1 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 (1):
4×2+1=9

Write 9 in the tens place.

The solution is: 92