`20,18×2 2/5 +201,8× 97/22 ×220% +0,006×2018`
`=20,18× 12/5 +20,18×10× 97/22 ×22/10 +0,006×100×20,18`
`=20,18× 12/5 +20,18× 970/22 ×22/10 +0,6×20,18`
`=20,18× 12/5 +20,18×97+ 3/5×20,18`
`=20,18×(12/5 +3/5)+20,18×97`
`=20,18×3+20,18×97`
`=20,18×(97+3)`
`=20,18×100`
`=2018`
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