In this task, given a sentence in the English language, your task is to convert it into the Japanese language.

Let me give you an example: Test subjects will be administered either a placebo or PA-457 that will be taken in combination with the medication they already take.
The answer to this example can be: 被験者は、彼らがすでに服用している薬剤と一緒に偽薬またはPA-457を与えられる。
Here is why: The above sentence is correctly translated from English to Japanese.

OK. solve this:
Altogether, the four sets of arrays can generate 84 to 120 kilowatts of electricity – enough to provide power for more than 40 average homes.
Answer:
要するに、４セットのアレーは、４０以上の平均的な家庭に電力を供給するのに十分な８４～１２０キロワットの電気を発生させることができる。