Arithmetic overflow

[defcon1_es]

Empezado por shernandez0891

Unsuccessful execution caused by system error that does not precluce successful execution of subsequent statements.
Integer overflow. The result of an integer operation caused the most significant bit of the result to carry.

Arithmetic overflow or division by zero has ocurred arithmetic exception, numeric overflow, or string truncation

Pues está muy claro, el tipo de la variable donde almacenas el resultado de la multiplicación se te queda pequeño...
deberias definirlo como BIGINT o similar...