Edabit challenge 4 | strings | very easy | Miserable Parody of a Calculator

Create a function that will handle simple math expressions. The input is an expression in the form of a string.

Examples
calculator("23+4") ➞ 27

calculator("45-15") ➞ 30

calculator("13+2-5*2") ➞ 5

calculator("49/7*2-3") ➞ 11

function calculator(exp) {
return eval(exp);
}

console.log(calculator("23+4"));
console.log(calculator("45-15"));
console.log(calculator("13+2-5*2"));
console.log(calculator("49/7*2-3"));