Answer:
[tex]180\:\text{calories}[/tex]
Step-by-step explanation:
The question implies a constant rate or distribution of calories. Therefore, we can set up the following proportion:
[tex]\frac{14}{126}=\frac{20}{x},\\14x=20\cdot 126,\\14x=2520,\\x=\boxed{180\:\text{calories}}[/tex]