The little sloppy mistakenly calculated 70*(★+5) as 70*★+5 due to carelessness. Please help me to calculate. How much difference is the result he got from the correct result?
小马虎由于粗心大意把70*(★+5)错算成70*★+5，请你帮忙算一算，他得到的结果与正确结果相差多少？
<result>345</result>