Lab 1 : Calculate circumference and area of a rectangle

void setup(){
size(400,200);

float w;
float h;
float Area;
float Circumference;

//////////calculate area of a rect//////////

w=100;
h=150;
Area=w*h;

//////////calculate circumference of a rect/////////

Circumference=(2*w)+(2*h);

textSize(20);
fill(0);
text("Value of Area = "+Area+" cm*cm",20,120);
text("Value of Circumference = "+Circumference+" cm.",20,160);
text("Height = "+h+" cm.",20,40);
text("Wide = "+w+" cm.",20,80);

}