$${F_{res,y} = F_{y,all} + F_{y,peal} = (p_0 – 59,838\, \mathrm{Pa})A_h – p_0A_h = –(59,838\, \mathrm{Pa})(4,86\, \mathrm{m^2}) = \underline{\underline{–291\, \mathrm{N}}}}$$