I put three milks and three syrup cups in my coffee.
I bought a box of soap that comes with three bars.
After eating three cheeseburgers, three teriyaki burgers, and several nuggets, I feel really awful.
Three individuals is three small things. The kanji 個 can be used to count small objects, just like this! Try other numbers as well.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.