What is the value of result in the following code?

function multiply$($a$)\{$

return function$($b$)\{$

return function$($c$)\{$

return a b $*$ c;

$\}$;

$]$;

$\}$

const double $=$ multiply$(2)$;

const triple $=$ multiply$(3)$;

const result $=$ triple $($double$(4)(5))(1)$;