Question: Can you explain how to solve this math problem: A certain company is in the business of selling fresh fruit. One crate of such fruit consists of 5 bananas, 12 apples, and 7 oranges. The price for such a crate depends on the price of its individual fruits. One apple costs $0.5 and one banana costs twice as much. Oranges are the most expensive and cost three times as much as a banana per piece. What would be the price for such a crate of fruit?
Answer: 
The price for apples in the crate would be 12 * 0.5 = $6.
Cost of banana is 0.5 * 2 = $1.
So the bananas in this crate cost 5 * 1 = $5.
One orange is three times more expensive than a banana, so it costs 1 * 3 = $3.
So for the oranges in the crate, one needs to pay 7 * 3 = $21.
So the whole crate costs 6 + 5 + 21 = $32.