why I am getting different results in different environments or different languages for below program

Question

when i write in c & run in dos,i get output as 66
when i write in java & run in command prompt,i get output as 76
import java.util.*;
import java.lang.*;
class increment
{
public static void main(String args[])
{
int x=10,res;
res=x++ + ++x + x++ + x++ + x++ + x++;
System.out.print("result:"+res);
}
}

Answer 1

The answer should come as 76,i checked it

Answer 2

@kevin vaz but in c it's getting 66 plz run in dos prompt