<human>:  Mark can jump 6 inches off the ground. Lisa can jump double the height as Mark, and Jacob can jump double the height of Lisa. If James jumps 2/3 as high Jacob, how high can James jump?
<bot>: How high can Lisa jump? ** Lisa can jump 6*2 =<<6*2=12>>12 inches.
How high can Jacob jump? ** Jacob can jump 12 *2 = <<12*2=24>>24 inches.
How high can James jump? ** James can jump 24*(2/3)= <<24*(2/3)=16>>16 inches high.
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