C50

Xuanyuan Liumu and Qing He laughed heartily upon hearing this. Their laughter floated up to the sky and the great geese flying towards the south were also roaring with joy, as if they were also happy for them.

Three days later, having already produced a large number of abacus, Xuanyuan Liuxing found Qing He and asked her what to do next.

Qing He thought for a while and asked