View Compilation Error

0_0_2939903_27348.cpp: In function `bignum operator*(const bignum&, const bignum&)':
0_0_2939903_27348.cpp:232: error: expected primary-expression before '%' token
0_0_2939903_27348.cpp:232: error: expected `;' at end of input
0_0_2939903_27348.cpp:232: error: expected `}' at end of input