Can you help me with this problem?

1.2 (1+ 23.0 x 10-6/°C*50) Thank You.

i don't know, this is just a guess, but would you use distributive property?
if so it would be:
1.2+27.6*12-7.2/°C*60

wouldnt it? I don't know. i'm really not good at stuff like this. this was just a suggestion.