Evaluate 5*180

Multiply ${\displaystyle 0}$ by ${\displaystyle 5}$. Place the result in the next column in the result line. There is one result line for each digit in ${\displaystyle 180}$.

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 ${\displaystyle 180}$.

Multiply ${\displaystyle 1}$ by ${\displaystyle 5}$. Place the result in the next column in the result line. There is one result line for each digit in ${\displaystyle 180}$.

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

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

Add the numbers in each column. In this case, add ${\displaystyle 0+4+5}$, then place the ${\displaystyle 9}$ in the result line.