JSFiddle - React, Tailwind, and code Playground

by Rafael Teles

JavaScript

var n1, n2, n3, m;
m = ("n1 + n2 + n3")/2;
n1 = prompt("qual a nota 1?");
n2 = prompt("qual a nota 2?");
n3 = prompt("qual a nota 3?");
alert(m);