Given a math word problem, answer the following question. You might need to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the question and then only report the final numerical answer.

[Q]: debby was placing her spare change into stacks . 1 stack had 4 coins and the other had 8 how many coins did she have total ?
[A]: 12

[Q]: christmas is near . mr. anderson president of nice people inc. organized a charity event to share happiness to the less fortunate people . the first thing that he did is to visit an orphanage . there he dressed up as santa and gave toys to the children . if he gave 134 toy cars to the boys and 269 dolls to the girls how many toys did he give to all ?
[A]: 403

[Q]: ryan collected 89 leaves . he lost 24 leaves and threw away 43 leaves . how many leaves did ryan have left ?
[A]:
22