6 ton - 7,8 kuintal + 43 kg = pon

6 ton =. 6.000 / 2 = 3.000 pon
7,8 kwintal= 780 / 2 = 390 pon
________________________ -
= 2.610 pon
43 kg = 43 / 2 = 21,5 pon
__________________________ +
= 2.631,5 pon