26,666.66~ just cash a year 2,222.166666 a month but if u want interest with u haveand u make up to 1.6k off of just ur interest but a year of just multiple of 1.6k every year ud only get 48k interest in 30 years that's from nothing to to get 800,000
Just convert all your measurements. 1gallon is 4 quarts. So 9 gallons= 36qt and 6 gallons= 24qt so the question becomes 36qt+1qt+24qt+1qt=62qt or 15.5 gallons.