'consequently' or 'accordingly'.
(Now you know why we usually use 'so'.)
Answer:

Step-by-step explanation:

215% of 18
You must change 215% into a decimal by multiplying by 100 which is 2.15
Then you multiply them
2.15×18=38.7
Then you estimate to the nearest whole number
38.7⇒39
You answer is 38.7
Your answer is 39 estimated