(7357+2848)+5152=15357
(54.271+39.999)+10.001=104.271
19.199+(4.801+15.200)=39.2
18.356+(1644+2135)=3797.356
(7357+2848)+5152=15357
(54.271+39.999)+10.001=104.271
19.199+(4.801+15.200)=39.2
18.356+(1644+2135)=3797.356