test {

  num_in: 42 + 11in;
  num_cm: 42 + 11cm;
  num_pc: 42 + 11px;
  num_mm: 42 + 11mm;
  num_pt: 42 + 11pt;
  num_px: 42 + 11px;

  in_num: 11in + 42;
  in_cm: 11in + 42cm;
  in_pc: 11in + 42pc;
  in_mm: 11in + 42mm;
  in_pt: 11in + 42pt;
  in_px: 11in + 42px;

  cm_num: 11cm + 42;
  cm_pc: 11cm + 42pc;
  cm_mm: 11cm + 42mm;
  cm_pt: 11cm + 42pt;
  cm_px: 11cm + 42px;

  pc_num: 11pc + 42;
  pc_mm: 11pc + 42mm;
  pc_pt: 11pc + 42pt;
  pc_px: 11pc + 42px;

  mm_num: 11mm + 42;
  mm_pt: 11mm + 42pt;
  mm_px: 11mm + 42px;

  pt_num: 11pt + 42;
  pt_px: 11pt + 42px;

}