Minecraft Stacks Calculator

import math
close = "no"
while (close == "no"):
    amount = int(input("How many Items? : "))
    stacks = [0,0]
    stacksize = ""
    stacksize = input("What is the Stack Size of the Item? (Leave empty for default 64) : ")
    if (str(stacksize) == ""):
        stacksize = 64
    stacksize = int(stacksize)
    rawstacks = amount / stacksize
    stacks[0] = math.floor(rawstacks)
    stacks[1] = math.fmod(amount,stacksize)
    print("Your amount of " + str(amount) + " equals to " + str(stacks[0]) + " Stacks and " + str(stacks[1]) + " Items!")
    if (stacks[0] > 27):
        chests = [0,0]
        rawchests = stacks[0]  / 27
        chests[0] = math.floor(rawchests)
        chests[1] = math.fmod(stacks[0],27)
        print("That Equals to " + str(chests[0]) + " Chests, " + str(chests[1]) + " Stacks and " + str(stacks[1]) + " Items!")
        result = [chests[0],chests[1],stacks[1]]
    else :
        result = [stacks[0],stacks[1]]
    print(result)
    close = input("Press Return to close, or press any key before to input another value!")
    if (close == ""):
        close = "yes"
    else:
        close = "no"