It's Median Overall Survival, not Average Overall Survival. For your set average is indeed 7.2, but median looks to be 6.5.
Based on known data it sure appears to be that 10+ month events are lacking, but I don't want to speculate more before the full set of data is released. Then we can say for certain whether the company being excited about this trial on multiple CCs had or did not have any substance behind it.