6E+13 / 2E+9 = 3E+22 (in the Advanced mode)
Xubuntu (Ubuntu 16.04.5 LTS):
ver. 3.18.3, 1986–2014 The Calculator authors
Xubuntu (Ubuntu 18.04.1 LTS):
v. 3.28.2, 1986–2016 The Calculator authors
Xubuntu (Ubuntu 16.04.5 LTS):
ver. 3.18.3, 1986–2014 The Calculator authors
Xubuntu (Ubuntu 18.04.1 LTS):
v. 3.28.2, 1986–2016 The Calculator authors