Every day Ryan spends 46 hours on learning english, 30 hours on learning chinese and 24 hours on learning spanish. How many more hours does he spend on learning chinese than he does on learning spanish?
How many hours does he spend on learning english? 
How many hours does he spend on learning chinese? 
How many hours does he spend on learning spanish? 

Now that we have that information, we can compare how many hours he spends on learning chinese and how many hours he spends on learning spanish. 

He spends 16 more hours on learning chinese than he does on learning spanish.