How To Subtract Two Specific Values From A Column In A Table in uipath

Help
1

Hii Guys,
Please help me on this.
A B C
a 2 1
b 1 -1
Regards,
Ranjith

2

what you want to do with these data? what is the question?

3

c is output column
i am just subtracting B reference of A column

4

Subtracting digits from alphabets ? As i can see column A is alphabet only …
@syedabidraza

5

sorry ,based on A column reference i am subtracting B column and storing output into C column