[填空题]
During a workout, the f etj,ozze .6onv jeh4zc4 g(7*ootball players at Stqp wg, m-; fq* r)+enr-u;axezate U. ran up the stadium stairs in 66 s. The stairs are 140 m long and inclin) -ze f +pr*ruw-;,egxmnqqa;ed at an angle of 32 $^{\circ} $. If a typical player has a mass of 95 kg, estimate the average power output on the way up. Ignore friction and air resistance. W
