A pack of sweets was shared equally among 30 boys.
4 boys decided to give their sweets to the rest.
As a result, the rest of the boys received 2 more sweets each.
How many sweets were there in the pack at first?
一包糖平均分给 30 个男孩。其中 4 个男孩把自己那份给了其余的人,结果其余每人多拿到 2 颗。这包糖原来有多少颗?