Answer
Please see the work below.
Work Step by Step
We know that
$E=(2000Kcal)(\frac{4184J}{1 Kcal})=8368000J$
Now we can find the power as
$P=\frac{E}{t}$
We plug in the known values to obtain:
$P=\frac{8368000}{24\times 60\times 60}$
$P=97W$