Найдите значение выражения 3 ⋅ 10 − 2 + 9 ⋅ 10 1 + 2 ⋅ 10 − 1 3 ⋅ 10 − 2 + 9 ⋅ 10 1 + 2 ⋅ 10 − 1 .