Based on the scenario below, what is the specific calculation needed to find the total number of items immediately after the new delivery is received, but before any items are sold?

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The second step in the logical reasoning for the marble problem involves accounting for the $${}7$$ marbles Tom won. This is accomplished by adding them to his initial count, resulting in a new total: $${}12 + 7 = 19$$ marbles.

Second Reasoning Step for the ICL Demonstration on Marbles

The third step in the logical reasoning for the marble problem addresses the loss of $${}5$$ marbles. This is calculated by subtracting $${}5$$ from the previous total of $${}19$$, which results in a new count of $${}14$$ marbles.

Third Reasoning Step for the ICL Demonstration on Marbles

A baker starts the day with 18 loaves of bread. A new batch comes out of the oven, adding 9 more loaves to the inventory. Which calculation correctly determines the new total number of loaves the baker has?

A video game character starts a level with 25 health points. They find and use a health pack that restores 10 points. After using the health pack, the character's new health total is ____ points.

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