To calculate \(-7.8 \times (-2.32)\), you multiply the two numbers together.
Since both numbers are negative, the product will be positive:
\[ -7.8 \times -2.32 = 7.8 \times 2.32 \]
Now, let's perform the multiplication:
\[ 7.8 \times 2.32 = 18.096 \]
Therefore, \(-7.8 \times (-2.32) = 18.096\).