Noun
ごだい
たいじゅうけいを五台かいました。
I bought five scales.
あのいえのまえに、パトカーが五台もとまっている。
There are five police cars parked in front of that house.
五台のバンがげきとつしてめりこんだ。
The five vans smashed into each other.
As long as you know both of the individual kanji meanings, you should be able to put together this one to get five machines.
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.