Some easy calculations 16r per ingot therefore you would go 16*9(Price per block)=144r then you would go 3456(Double Chest)*144=497664 per double chest at 16r per ingot OR 15*9=135, 135*3456= 466560. So if you buy in bulk which is most preferred at this shop you would be saving a total off 497664-466560=31104 which is quite a savings. It isn't to hard to click 54 times on the 64 blocks sign
