static void newvol ( double x ) {
  System . out . print ( "percentage increase " + "in the volume of the cube is " + ( Math . pow ( x , 3 ) / 10000 + 3 * x + ( 3 * Math . pow ( x , 2 ) ) / 100 ) ) ;
  System . out . print ( "%" ) ;
}

static void newvol ( double x ) { System . out . print ( " percentage ▁ increase ▁ " + " in ▁ the ▁ volume ▁ of ▁ the ▁ cube ▁ is ▁ " + ( Math . pow ( x , 3 ) / 10000 + 3 * x + ( 3 * Math . pow ( x , 2 ) ) / 100 ) ) ; System . out . print ( " % " ) ; }
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