Zhang Qiujian Suanjing/Examples

Examples of Problems from Zhang Qiujian Suanjing by Zhang Qiujian

Example $1$

A man, who had stolen a horse, rode away on its back.

When he had gone $37$ miles, the owner discovered the theft and pursued the thief for $145$ miles;

then he returned, believing himself unable to overtake him.

When he turned back, the thief was riding $23$ miles ahead of him;

if he had continued the pursuit without coming back, in how many further miles would he have overtaken him?