Mentality /Outlook / viewpoint. Here are a few synonyms - they all fit into the space and does not change the original meaning of the sentence.
Answer:
Being a parent is the most wonderful—and hardest—job in the world. If you have a child with special needs, your job is no less wonderful, but it can be more complicated.
Explanation:
134 mi/1 = 5280 ft/1 mi = 12 inches/1 ft
(So first, the miles unit is crossed out, so the next unit would be feet. There are 12 inches in 1 foot. So now ft are crossed out and remaining unit is inches. Multiply across, so 134 x 5280 x 12 = 8490240.)
In 134 miles, there are 8,490,240 inches.