You are given a math word problem and you are supposed to only use subtraction on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Q: Context: Nell collects baseball cards. She had 566 cards while Jeff had 234 cards. She gave some of her cards to Jeff and now has 535 cards left. 

 Question: How many cards does Jeff have now?

A: 265
****
Q: Context: Josh had 7 marbles in his collection. He lost 8 marbles and found 10 new ones. 

 Question: How many more marbles did he find than those he lost?

A: 2
****
Q: Context: Randy has 90 blocks. He uses 89 blocks to build a house and 63 blocks to build a tower. 

 Question: How many more blocks did he use to build the house than he did to build the tower?

A:
26
****