Evaluate : 16×144÷16÷9+16+15-20

    
Match the items on the right to the items on the left.
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
16×144÷16÷9+16+15-20
=16×9÷9+16+15-20
=16×1+16+15-20
=16+16+15-20
=47-20
=27