Instruction
Let's start from a mathematical question.
Exercise
Show multiplications of 5 from 5 until 100 (column value). As the second column (named sum), show the sum of all multiplications so far.

Let's start from a mathematical question.
Show multiplications of 5 from 5 until 100 (column value). As the second column (named sum), show the sum of all multiplications so far.
