100g of mango has 14g of sugar
100g of watermelon has 6.2g of sugar
100g of navel orange has 12g of sugar
100g of sugar has 100g of sugar, 1 can of Dr Pepper has 40g of sugar
It's both pure sugar AND more sugar. You have to eat more than half a pound of mango to get to the same sugar as a Dr Pepper.