index.js

#! /usr/bin/env node
// SHABANG
import inquirer from "inquirer";
const answer = await inquirer.prompt([
    { message: "Enter the first number", type: "number", name: "FirstNumber" },
    { message: "Enter the Second number", type: "number", name: "secondNumber" },
    { message: "Select on of the following operators",
        type: "list",
        name: "operator",
        choices: ["Addition", "Subtraction", "Multiplication", "Division"]
    }
]);
if (answer.operator === "Addition") {
    console.log(answer.FirstNumber + answer.secondNumber);
}
else if (answer.operator === "Subtraction") {
    console.log(answer.FirstNumber - answer.secondNumber);
}
else if (answer.operator === "Multiplication") {
    console.log(answer.FirstNumber * answer.secondNumber);
}
else if (answer.operator === "Division") {
    console.log(answer.FirstNumber / answer.secondNumber);
}
else {
    console.log("Please enter valid operator");
}