For this puzzle you will need the Notebook, 3, and Sheep together.

First use card 742 to decipher the text at the bottom of the Notebook card and read the order things happened. Reading it will reveal the icons missing for each formula. Look up each icon and follow it through the color maze and then add the formulas together in each row. The result will give you 967.
First decipher card 742 to read the order things happened. Reading it will reveal the icons missing for each formula. Look up each icon and follow it through the color maze and then add the formulas together in each row. The result will give you 967.