JSFiddle - React, Tailwind, and code Playground

JavaScript

var getScore1, getScore2, sum;   // define global variables
    function randomScore() {
        var score1 = Math.random() * 10,
            score2 = Math.random() * 10;
        getScore1 = function() {
            return score1;
        }
        getScore2 = function() {
            return score2;
        }
        return score1 + score2;
    }
    sum = randomScore();
    console.log(getScore1() + '+' + getScore2() + '=' + sum);