All the mathematical sciences are founded on relations between physical laws and laws of numbers so that the aim of exact science is to reduce the problems of nature to the determination of quantities by operations with numbers.
I do all of the grocery shopping in my little family. I buy cheese of many different kinds sliced packaged meats and poultry bagels immense quantities of eggs pre-made fried chicken. Milk. Bacon. It is insane how much dairy deli and bakery stuff I buy.