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The math problem I asked you just now is too professional! Help me solve a few application problems!
1. The total area is (40+14) * 2 *1.2+40 *14 = 689.6m2..

The area of a tile is 0.4 * 0.4 = 0. 16m 2.

So the number of tiles is 689.6/0. 16=43 10.

The water injection rate is 40* 14* 1.2=672 cubic meters.

2. The total vegetable area is (12+14) *15/2 =195m2.

So the yield per square meter is 1 kg.

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