[填空题]
What is the energy released in the fission reacq*l wi9m149p6+zms+hj7+j lhx xp*lsfnm -rf q5b a0h1*u yimv2d sf7tion of Eq. 31-4? (The masses of dqu2f i57h*0 s1myvba$_{56}^{140}\text{Ba}$ and $_{36}^{92}\text{Kr}$ are 140.914411 u and 91.926156 u, respectively.) Q = MeV