There are 73 packs of 20 luxury candy balls in each, and they must be repackaged in elegant bags so that there are 6 in each. "Will there be any left over that we can eat?" Rakel wonders. " I'm hungry."

"Should be able to calculate," thinks Lea. "Although it seems difficult."

"If we use modular arithmetic, it won't be that difficult," says Rakel.

Calculate how many candy balls are left using modular arithmetic.