Difference Between phenol and dettol​

We can use the same chemical as a disinfectant and an antiseptic by varying its concentration. For example, phenol can be used as an antiseptic if its concentration is 0.2 per cent but to use it as a disinfectant the concentration should be 1 per cent. ... Lysol is a disinfectant whereas Dettol is an antiseptic.

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.