I think this is a troll, but doing it anyway:
((( 10^40 )/ 38 )*4) -300 + 5 , this would be so much easier if there wasn't a power to 40, now we have this huge as number.
The answer is, 1.0526316e + 39 , I don't know what the e means, sorry, but you asked a silly question so you get a silly answer