計算:2005×38−0.375×1949+3.75×2.4の値はいくらですか?

計算:2005×38−0.375×1949+3.75×2.4の値はいくらですか?

2005×38-0375×1949+3.75×2.4=2005×0.375×1949+3.75×2.4=2005×0.377-0035×1949+0.39×1949+0.375×24=(2005-949+24)×0.375=80×0.375=30.