> 1 + "1"
(irb):1:in 'Integer#+': String can't be coerced into Integer (TypeError)
from (irb):1:in '<main>'
from <internal:kernel>:168:in 'Kernel#loop'
from /Users/george/.rvm/rubies/ruby-3.4.2/lib/ruby/gems/3.4.0/gems/irb-1.14.3/exe/irb:9:in '<top (required)>'
from /Users/george/.rvm/rubies/ruby-3.4.2/bin/irb:25:in 'Kernel#load'
from /Users/george/.rvm/rubies/ruby-3.4.2/bin/irb:25:in '<main>'