Evaluate 15*48

Multiply ${\displaystyle 8}$ by ${\displaystyle 5}$. Place the ones digit ${\displaystyle \left(0\right)}$ in the result line and carry the tens digit ${\displaystyle \left(4\right)}$. There is one result line for each digit in ${\displaystyle 48}$.

Multiply ${\displaystyle 8}$ by ${\displaystyle 1}$ and add the carried ${\displaystyle 4}$. Place the ones digit ${\displaystyle \left(2\right)}$ in the result line and carry the tens digit ${\displaystyle \left(1\right)}$. There is one result line for each digit in the ${\displaystyle 48}$.

Multiply ${\displaystyle 4}$ by ${\displaystyle 5}$. Place the ones digit ${\displaystyle \left(0\right)}$ in the result line and carry the tens digit ${\displaystyle \left(2\right)}$. There is one result line for each digit in ${\displaystyle 48}$.

Multiply ${\displaystyle 4}$ by ${\displaystyle 1}$ and add the carried ${\displaystyle 2}$. Place the result in the next column in the result line. There is one result line for each digit in ${\displaystyle 48}$.

Add the numbers in each column. In this case, add ${\displaystyle 0+0}$, then place the ${\displaystyle 0}$ in the result line.

Add the numbers in each column. In this case, add ${\displaystyle 2+0}$, then place the ${\displaystyle 2}$ in the result line.

Add the numbers in each column. In this case, add ${\displaystyle 1+6}$, then place the ${\displaystyle 7}$ in the result line.