Next up in our Athletics@Home kids edition: a bit of Monday morning (or afternoon, or even evening) maths.
This week it stars Kenya's world 5000m champion Hellen Obiri, world hammer throw champion DeAnna Price of the US, and Mutaz Barshim of Qatar, the world champion in the high jump.
Download the puzzle and give it a go. No calculators or abaci please.
Done? The answers are here.
Our previous version of the popular math puzzle included another trio of world champions: US sprint hurdler Grant Holloway, German long jumper Malaika Mihambo, and Swedish discus thrower Daniel Stahl. Download that puzzle here.
Give up? The answers are here.