 
 <translate> Three sets of toy organizers cost $78 x 3 = $234. Two gaming chairs cost $83 x 2 = $166. Leon's total orders amount to $234 + $166 = $400. Then, the delivery fee is $400 x 5 / 100 = $20. So, Leon had to pay a total of $400 + $20 = $420. So the final answer is 420. <ibo> Ihe atọ e ji ahazi ihe ụmụaka ji egwuri egwu na-efu $78 x 3 = $234. Oche egwuregwu abụọ na-efu $83 x 2 = $166. Ọnụ ego nile Leon nyere bụ $234 + $166 = $400. Mgbe ahụ, ụgwọ nnyefe bụ $400 x 5 / 100 = $20. Ya mere, Leon kwụrụ ngụkọta nke $400 + $20 = $420. Ya mere, azịza ikpeazụ bụ 420. 