According to Terra Su, it's more likely the latter; the two brothers probably didn't expect to luckily guess a Yao Xian Ancient Jade worth nine million last time.
Moreover, given the current situation, it's clear that Qian Song and Qian Bai are planning to rely on their past "achievements" to mock Hong Qi again.
"What did that wastrel Hong just say?"
"It seemed like he was saying this raw stone is good!"