Dr Tom Crawford on Instagram: "Numbers vs. Words Round 14 - the original largest named number versus Welsh cheese on toast. Which is your favourite - a googol from Dr Tom or Welsh rarebit from Susie Dent? Let us know in the comments or cast your vote at tomrocksmaths.com (link on profile). This is round 13 in the “Numbers vs. Words” series where @tomrocksmaths and @susiedent share some of their favourite numbers/words in a battle for your vote. Results will be posted alongside the next round so