Predict the output of the below given code snippet when it is rendered:

const Calculator $=0=>\{$

var $a=7$;

var $b=6$;

varc$=5$;

return $($:$h1$:$){\{}^{\text{'}\text{'}}(a+b)-c^{\text{'}\text{'}}\}$ :

$\}$:

$a+b-c$

$8$

$(a+b)-c$

$7$