12 ×  $6\frac{3}{5}$ m = ______m

7600 g ÷ 16 = ________g

 $4\frac{1}{10}l\$  ÷ 4

 $7\frac{1}{8}km$  －2.55km = ______ km

350g ＋ 1.02kg ＋ 4500g = ________ kg

 $9\frac{3}{4}l\$  － 3 liter 150 ml － 2.77 liter = ______ liter

3 × 2600ml = ______ ml