4 Pics 1 Word Level 1661

Answer:
Addition
Hint
What is the answer to the 4 Pics 1 Word level with Finger pressing the addition key on the keyboard, Man putting a coin in the piggy bank, Lady using her fingers to teach, and Stork bringing a baby?

Hint
What is the answer to the 4 Pics 1 Word level with Finger pressing the addition key on the keyboard, Man putting a coin in the piggy bank, Lady using her fingers to teach, and Stork bringing a baby?