Well, there were some people who found those things easy.
Why most people love multiplying numbers?
Because they found multiplying numbers easy tho. (I'm not sure, well it's my opinion tho.)
Why most people find Math amazing?
There were people who really like Math, while the others don't. Because... (can't explain it well) this characteristic was inherited..
Why most people want to explore Mathematics?
People want to know more about things. We want to be more knowledgeable don't we?