<human>:  John skateboarded for 10 miles and then walked another 4 miles to the park. He then skated all the way back home. How many miles has John skateboarded in total?
<bot>: How many miles did John travel to the park? ** John traveled 10 + 4 = <<10+4=14>>14 miles to the park.
How many miles would John travel round trip? ** His round trip would take 14 x 2 = <<14*2=28>>28 miles.
How many miles did John travel in total? ** If you subtract the 4 miles he walked then John traveled 28 - 4 = <<28-4=24>>24 miles.
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