Nobita is having a hard time relaxing with all the noise, so he asks Doraemon for a gadget that allows him to get onto a cloud. Nobita invites Shizuka over, and the two of them create a paradise, but Gian and Suneo have some plans of their own.
Please solve the math problem below to unlock download mirrors for Doraemon.
Links are proxied and may take a moment to start.