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]: 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]: ethan has 31 presents . alissa has 22 more than ethan . how many presents does alissa have ?
[A]: 53

[Q]: emily was selling some of her old toys at a garage sale . she started out with 7 toys and sold 3 of them . how many does she have left ?
[A]:
4