170*25.7=4369.
4369*60=262140.
262140*1000=262140000
Finally, 262140000/27.5=9532363.6363636363636363636363 etc...
BTW, I don't think that the /27.5*1000 is in parentheses, so you can just do it from left to right.
easy
170*25.7=4369*60=262140
27.5*1000=27500
262140/27500
9532363.63636
overall,
next time, use pemdas
170*25.7=4369.
4369*60=262140.
262140*1000=262140000
Finally, 262140000/27.5=9532363.6363636363636363636363 etc...
BTW, I don't think that the /27.5*1000 is in parentheses, so you can just do it from left to right.