operation between numbers

function solve(n1,n2,operator) {

    n1 = Number(n1);
    n2 = Number(n2);
    operator = operator;
    let result = 0;
    let evenOdd = 0;

    switch(operator) {
        case "+": result = n1 + n2; break;
        case "-": result = n1 - n2; break;
        case "*": result = n1 * n2; break;
        case "/": result = n1 / n2; break;
        case "%": result = n1 % n2; break;
    }
    if (operator == "+" || operator == "-" || operator == "*") {
        if (result % 2 == 0) {
         evenOdd
         = "even";
        } else {
         evenOdd
         = "odd";
        } console.log(`${n1} ${operator} ${n2} = ${result} - ${evenOdd}`)
    } else if (operator == "/" || operator == "%") {
        if (n2 == 0) {
            console.log(`Cannot divide ${n1} by zero`);
        } else {
            // console.log(`${n1} ${operator} ${n2} = ${result}`);
            console.log(`${n1} ${operator} ${n2} = ${(n1 % n2)}`);
        }
    }


    }