int l1;
int l2;
int w1;
int w2;
int area1;
int area2;
int perimeter1;
int perimeter2;
int totalArea;
int totalPerim;

void doAreas() {
   area1 = l1*w1;
   area2 = l2*w2;
}

void doPerimeters() {
   perimeter1 = 2*l1 + 2*w1;
   perimeter2 = 2*l2 + 2*w2;
}

void doTotals() {
   totalArea = area1 + area2;
   totalPerim = perimeter1 + perimeter2;
}