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小丽和小刚两个小朋友向雷锋叔叔学习,准备把零用钱攒起来,以后寄给希望工程,帮助贫困地区的小朋友上学。小丽现有5元钱,她计划每年节约11元;小刚现有3元,他打算每年节约12元。问他们俩几年后钱数能一样多?
Xiaoli and Xiaogang learned from Uncle Lei that they were ready to save their pocket money and later sent them Hope Project to help children in impoverished areas go to school. Mary existing 5 yuan, she plans to save 11 yuan a year; Xiaogang existing 3 yuan, he intends to save 12 yuan a year. Ask them two years after the money can be as much?