You can download some examples from my repository on Git Hub Cobol Examples

Divisions of a Cobol Program

   IDENTIFICATION DIVISION
*
   ENVIRONMENT DIVISION
     CONFIGURATION SECTION
* 
     INPUT-OUTPUT SECTION

   DATA DIVISION
     FILE SECTION
*
     WORKING-STORAGE SECTION
*
     LINKAGE SECTION
*
     SCREEN SECTION
*

Cobol Arithmetic Operations

ADDITION

Cobol language	Operation	Comments
ADD B TO A	A = A + B	-
ADD B C TO A	A = A + B + C	-
ADD 1 TO A B	A = A + 1; B = B + 1	-
ADD B C GIVING A	A = B + C	-

SUBTRACTION

Cobol language	Operation	Comments
SUBTRACT B FROM A	A = A - B	-
SUBTRACT B C FROM A	A = A - B - C	-
SUBTRACT B C FROM A GIVING D	D = A - B - C	-

DIVISION

Cobol language	Operation	Comments
DIVIDE 2 INTO A	A = A / 2	-
DIVIDE 2 INTO A GIVING B	B = A / 2	-
DIVIDE A BY 2 GIVING B	B = A / 2	-
DIVIDE A BY 2 GIVING B REMAINDER C	B = A / 2 REMINDER C	-

MULTIPLICATION

Cobol language	Operation	Comments
MULTIPLY B BY A	A = A * B	-
MULTIPLY B BY A GIVING C	C = A * B	-