Goal and options: Save some hassle and mess by prepping your pancake mix at home
output answer: Store the batter in disposable frosting bags tied off at the end. When ready to cook, simply snip the end to create a "tip" for dispensing the batter

Goal and options: How to raise the temperature of a room?
output answer: One could adjust the thermostat or the air conditioner to do so.

Goal and options: How can you clear rust off a screw or nut head?
output answer:
Pour Coca Cola on it, let sit a few min, then clean off, repeat until rust removed from grooves of the head of the screw.