Complex sentence: The two mines produced a total of 359,655 tons of copper in 2007, with Cuajone producing 182,117 tons and Toquepala producing 177,538 tons respectively.
Split into simpler sentences: The two mines produced a total of 359,655 tons of copper in 2007. With Cuajone producing 182,117 tons and Toquepala producing 177,538 tons respectively.