null;
//^ null;

1+2;
//^ 3;

let zero = 0;
zero + 2 * 20 - 8 / 4;
//^ 38;

"hello" + "," + "world";
//^ "hello,world";

if(2 < 4) 8;
//^ 8;

if(2 > 4) 8;
//^ null;

if(2 > 4) 8 else 14;
//^ 14;

let z = 4;
(z + 10) * 3;
//^ 42;

let helloworld = "Hello, World!";
len("xyz" + helloworld) + 1;
//^ 17;