Temperatures in the upper atmosphere (thermosphere) reach 1500°C (2700°F), yet it does not produce enough heat to burn you. Why?

Particle exchange energy though elastic collision , hope this .

So what you would do is go through and add 3 teaspoons(tsp) 6 times because of the 6 tablespoons(tbsp). which will give you an answer of 18. another way is to multiply 3x6=18.