One apple.
In general, if you subtract two minus three, the result is minus one. However, in the case of apples, you can't take three apples if you have only two. Negative numbers make sense in some other...
Two apples, of course!
you have two apples!!
You have six... ID(random numbers here) I just wanted to correct this... you have two. He (or She) did not say from EACH tree, just from three trees.