reducing the amount of heartburn with the use of herbal teas answering mathematical equations with the use of computers bringing down body temperature with the use of a hand fan increasing the supply of fish with the use of fish farms
I gave my students this multiple choice question: Which action represents the use of technology to solve a problem?

Only one answer is correct among these 4 choices:
- reducing the amount of heartburn with the use of herbal teas
- answering mathematical equations with the use of computers
- bringing down body temperature with the use of a hand fan
- increasing the supply of fish with the use of fish farms

Could you tell me which one is correct?

answering mathematical equations with the use of computers