sentence: Gallimimus was about 13-20 ft (4-6 m) long, was 6.3 ft (1.9 m) tall at the hips, and may have weighed about 970 pounds (440 kg).
modified: fix grammar: Gallimimus was about 1320 ft 46 m long was 63 ft 19 m tall at the hips and may have weighed about 970 pounds 440 kg