Mal*_*sen 0 nsnumber divide ios swift
我有两个NSNumber,我想分开,但在代码的最后一行我得到错误:"无法使用类型'的参数列表调用'/'(@ Ivalue NSNumber,@ Ivalue NSNumber)'"
var firstnumber: NSNumber = object["numberone"] as NSNumber
var secondnumber: NSNumber = object["numbertwo"] as NSNumber
var calculated: NSNumber = firstnumber / secondnumber
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谁能帮我这个??