JSFiddle - React, Tailwind, and code Playground

JavaScript

var Calculator = {
    
    add : function (op1, op2) {
        return (op1 + op2);
    },

    subtract : function (op1, op2) {
        return (op1 - op2);
    },

    multiply : function (op1, op2) {
        return (op1 * op2);
    },

    divide : function (numerator, denominator) {
        return ((denominator !== 0) ? parseFloat((numerator/denominator)) : false); 
    }
};