我刚接触Ruby,目前正在练习一些代码,看起来像下面这样:
puts 'Hello there, Can you tell me your favourite number?'
num = gets.chomp
puts 'Your favourite number is ' + num + '?'
puts 'Well its not bad but ' + num * 10 + ' is literally 10 times better!'
然而,这段代码只是将变量 "num" 复制十次,并没有实际乘以该数字,因此我认为需要将 "num" 变量设置为整数类型?但我尝试了很多方法都不成功,有人能告诉我哪里出错了吗?