[填空题]
A baseball player hits a 1ul-8kqw wk2cof 2j4bfoul bvuh ,h tc,12rtm.t qo+all straight up into the air. It leaves the bat with a qmt1tt2u+voc,h,r. h speed of $120 \; km/h$. In the absence of air resistance, how fast will the ball be traveling when the catcher catches it? $km/h$ (please only fill in numerical value in the blank)
