Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[EX Q]: You can use night goggles to see infrared light.
[EX A]: What piece of technology can you use to see infrared light?

[EX Q]: There are three quarks in each proton and neutron.
[EX A]: How many quarks are in each proton and neutron?

[EX Q]: Electrical energy consumed can be expressed as the product of power multiplied by time.
[EX A]:
Electrical energy consumed can be expressed as the product of power multiplied by what else?