8 2/6 x 3 6/10 :12/15

8 2/6 × 3 6/10 : 12/15
= 50/6 × 36/10 × 15/12

= [(50 : 10) × (36 : 6)] × 15/12

= 5 × 6 × 15/12
= 30 × 15/12
= 450/12
= 37 6/12
= 37 1/2 ✔