## Task 1

All 3rd grade classes of the Erich-Weinert-Oberschule are participating in the ABC campaign "Schnüffelnase". Class 3a collected $186 \mathrm{~kg}$ of waste paper, class $3 \mathrm{~b}$ only a third of that. Class 3c had twice as much as class 3b and 9 kilograms more.

How many kilograms of waste paper did class 3c collect?