James made $4000 in January.  The next month he made twice as much.  In March, however, James made $2000 less than in February.  How much has James made so far this year?
How much did James make in February? ** In February James made 4000 * 2 = <<4000*2=8000>>8000.
How much did James make in March? ** In March James made 8000-2000 = <<8000-2000=6000>>6000.
How much has James made so far this year? ** In total for the year James has made 4000 + 8000 + 6000 = $<<4000+8000+6000=18000>>18000.
#### 18000