         Sentence 1: "I have a 115 v  Blender "Grinder", | want to  run on 220 v AC;.What is the  best Converter to use, and how  much Watts required?"    Sentence 2: How do | measure  how much energy a set of lights  uses? | have 10 lights that use  75 watts each. | want them on 5  hours a day. How many watts is  that?