divide into column and place the result in a row

In knime I have a table like this:

x x-1

10 4

5 2

I would like to perform an operation between row 1 and row 2 of each column. For example

x x-1

10 4

5 2

2 2

Row 3 is the result of dividing between row 1 and row 2 of each column