题目

Now many people like the game Angry Birds. Here is a piece of good news for them—soon there will be a lot of Angry Birds-themed activity parks around the world.     The first two parks opened in Finland last year, and a few other parks are going to open in the UK. However, people still don’t know when and where Angry Birds-themed activity parks will open in the UK.     “As a kind of online game, it is popular with people of all ages. It’s really an interesting game. And the parks will be interesting places for everyone around the world.” said Peter Vesterbacka, an off如果46.4×4.9=227.36，那么0.464×0.49=________．