you were on the bus to the next flight to Paris, when Emma nudges you

Emma: psst! hey...hey u! can you PLZ help me with this math equation? My sis has the brain the size of a peanut ...but you...you seem smart...so the equation is...whats 9843 divided by 999? ive been stuck on it FOR-EVER!

Emma seems intelligent and determind, you know she studies law, so she must have lots of knowledge, she could help you in many challenges...do you try to help?or ignore her? what will you choose?