100+200=300

316*4000=1264000

34%7=6

quarter+quarter+quarter+quarter+nickel=105

quarter+quarter+quarter+dime+dime+dime=105

dime+dime+dime+dime+dime+dime+dime+dime+dime+dime+nickel=105

nickel+nickel+nickel+nickel+nickel+nickel+quarter+quarter+quarter=105

current hour=22