Jason is doing his homework.  $$(36\times 21)\div (6\times 7)$$ = $$36\times 21\div 6\times 7$$ = $$36\div 6\times 21\times 7$$ = $$6\times 7\times 21$$ = $882$     Is his answer correct? If not, please CIRCLE out his mistake and write out the correct workings. 
Overseas Competition->Knowledge Point->Number Theory Modules->Division without Remainders