text: ﻿problem[73] = {
      answer: 7295372,
      solver: function() {
          let a = 1/3, b = 1/2, res = 0;
          for (let d of range(3,12000)) {
              //if (d%100===0)console.log(d);
              for (let n of range(1,d-1)) {
                  if (getGcd(n,d)!==1) continue;
                  let val = n/d;
                  if (val>a && val<b)
                      res++;
              }
          }
          return res;
      },
      data:null,
  };
  