//EVALUTION
let a = 5;  
let b, c;
b = ((a) * (5));  
b = ((c) = ((b)/(2))); 

//AGE
let age = prompt ('How old are you?')
let year = (2022 - age )
alert("You were born in " + year) 

//TEMPERATURE
let temp = prompt ("How many degrees (C) ?") //Celciy
let far = ((temp * (9/5)) + 32) // formula of C in Farengeit
alert(far + "F")

//DIVIDE
let number1 = prompt("your fisrt number");
let number2 = prompt("your second number");
result = Math.floor(number1/number2);
alert(result);

//CURRENCY
const rate = 36.372 ;// UAH
let amount = prompt("Your amount dollars") ;// $
let results = rate * amount;
alert("In UAH: " + results.toFixed(2))


//RGB
const red = 255;
let ared; // answer for color in (16)
ared = red.toString(16);
const green = 225;
let agreen;
agreen = green.toString(16);
const blue = 249;
let ablue;
ablue = blue.toString(16);
alert('Color in (16) : ' + ared + agreen + ablue );


//FLATS
let floors = 9 ;
let flats = 4 ;
let need = prompt('1 - last number of flats in build') ;
let need_fl = need % (flats * floors); 
let number_flo = Math.ceil(need_fl / 4); 
let entrance = Math.ceil(need/(floors*flats)) 
alert( 'You need floor № ' + number_flo +  " Entrance № " + entrance )