Give the step-by-step reasoning process and then the final answer. It takes 3 ounces of wax to detail Kellan's car and 4 ounces to detail his SUV. He bought an 11-ounce bottle of vehicle wax, but spilled 2 ounces before using it. How many ounces does he have left after waxing his car and SUV?
Kellan used 3 + 4 = 7 ounces of wax for his car and SUV. Since he spilled 2 ounces, he has 11 - 2 - 7 = 2 ounces of wax left.
The final answer: 2.