C118 I will be Very Obedient!

"Yeah, we have been here for an entire day."

The little girl was reluctant to leave. "Can we stay here for a few more days? Brother said he would teach me multiplication formula, but An An learned it very slowly. It will take a long time."

Soong Ruanruan was surprised. How old was Dear Sui? How could he know the knowledge of a few years old child?

However