Dan has $ 34. He bought a chocolate for $ 46 and a candy bar for $ 2. How much money did he spend to buy chocolate than he did to buy candy bar?
Dan has $34. 
He buys a chocolate for $46. 
How much money does he have left? $-12
He buys a candy bar for $2. 
How much money does he have left? $-14

He spent $12 more on chocolate than he did on candy bars.