Methods

 const calc = {

  add(a, b) {
    return a + b;
  },
  sub(a, b) {
    return a - b;
  },
  mul(a, b) {
    return a * b;
  },
};
console.log(calc.add(3, 5));
console.log(calc.mul(17, 5));
console.log(calc.sub(71, 35));


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