Given the task definition and input, reply with output. In this task, you are given a sentence or phrase in Xhosa. You must translate it to English in a way that is equivalent in terms of meaning and grammatically correct.

Ngonyaka wewaka linamakhulu asixhenxe anamashumi mathandathu, kwakungazukubakho nanye inqanawa yoluhlobo ezakuthi yakhiwe.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
By 1760, no more ships of this type were being built.