print $a+@b;     #coerce array into number

##</code><code>##

print $a+$ref_b; #coerce reference into number 

##</code><code>##

my $d=eval %c;   #coerce hash into string

##</code><code>##

my @e=%c;print "@e";  #hashes and arrays are different types.  Oh wait

##</code><code>##

my @t=12;        #coerce number into array