gistfile1.txt

const number = (num) => operation => operation ? operation(num) : num;

const zero = number(0);
const one = number(1);
const two = number(2);
const three = number(3);
const four = number(4);
const five = number(5);
const six = number(6);
const seven = number(7);
const eight = number(8);
const nine = number(9);

const plus = (right) => left => left + right;
const minus = (right) => left => left - right;
const times = (right) => left => left * right;
const dividedBy = (right) => left => left / right;

console.log(
  seven(times(five())), 
  one(plus(nine())),
  eight(minus(six())),
  nine(dividedBy(three()))
); // 35, 10, 2, 3