Open a problem-solving scene with it to set up the calculation, then follow it with the Law and Order dun dun sting when the answer lands. If the maths goes wrong, cut to the Windows XP error music for the failed attempt before trying again.
关于此声音
This seven-second clip features Professor Farnsworth, the elderly inventor from Futurama, reluctantly announcing that math is the only way forward. His reluctant delivery makes the admission feel funny and awkward, like a teacher dreading the lesson he is about to give. The line comes from Futurama.