C program and Macros -

i have thing this:

#define num1 6 #define num2 3 

i want multiply these 2 macros , convert it string , store in 1 more macro. please give suggestions how this.

if want have third macro result of multiplying these 2 numbers, can this:

#define num1 6 #define num2 3 #define num3 (num1*num2) 

you can print this:

printf("num3=%d\n", num3); 

if want store value in string, can this:

char num3str[10]; sprintf(num3str, "%d", num3);