js_bootcamp/exercise_1.js

'use strict'

let nameSS = "Determination";
let shuttleSpeedMph = 17_500;
const DISTANCE_TO_MARS_KM = 225_000_000;
const DISTANCE_TO_MOON_KM = 384_400;
const MILES_PER_KM = 0.621;
const HOURS_PER_DAY = 24;

console.log(typeof (nameSS));
console.log(typeof (shuttleSpeedMph));
console.log(typeof (DISTANCE_TO_MARS_KM));
console.log(typeof (DISTANCE_TO_MOON_KM));
console.log(typeof (MILES_PER_KM));

let milesMars = (DISTANCE_TO_MARS_KM * MILES_PER_KM);
let hoursMars = (milesMars / shuttleSpeedMph);
let daysMars = (hoursMars / HOURS_PER_DAY);

console.log(milesMars, 'miles to Mars');
console.log(hoursMars, 'hours to Mars');
console.log(nameSS, 'will take', daysMars, 'days to reach Mars');

let milesMoon = (DISTANCE_TO_MOON_KM * MILES_PER_KM);
let hoursMoon = (milesMoon / shuttleSpeedMph);
let daysMoon = (hoursMoon / HOURS_PER_DAY);

console.log(milesMoon, 'Miles to the Moon');
console.log(hoursMoon, 'hours to Mars');
console.log(nameSS, 'will take', daysMoon, 'days to reach the Moon');