Complex sentence: Standard precision format contained a 24-bit two's complement significand while extended precision utilized a 32-bit two's complement significand thus making full use of the cpu's 32-bit integer operations.
Split into simpler sentences: Standard precision format contained a 24-bit two's complement significand while extended precision utilized a 32-bit two's complement significand. The latter format could make full use of the cpu's 32-bit integer operations.