1: doctype "calculator-arith-0_2_1.g.etl";
     2: print "zeroes: ", 2*3#10#-3 * 2 ** 3 / 4, " ", +1 + -1; 
     3: print "dozens: ", 12#100# ** (1/2), " ", 3#1_0# * 16#10000# ** +8#0.1#;