Body: Allan brought 2 balloons and Jake brought 4 balloons to the park. Allan then bought 3 more balloons at the park.
Question: How many more balloons did Allan have than Jake in the park?
question_concat: Allan brought 2 balloons and Jake brought 4 balloons to the park. Allan then bought 3 more balloons at the park. How many more balloons did Allan have than Jake in the park?