 
<translate> Bayyana tsarin tunani mataki-mataki sannan kuma amsar karshe. Shane yana shirya sandwiches ga 'yan Scouts. Ya sayi fakitin gurasa guda biyu da aka yanka da yanka guda 20, kuma ya sayi fakitin naman alade guda biyu da aka yanka da yanka guda 8 kowanne. Shane zai yi sandwiches da yawa kamar yadda zai iya gwargwadon naman alade da yake da shi. Gurasa guda nawa ne zai ci? <eng> Give the step-by-step reasoning process and then the final answer. Shane prepares sandwiches for the Boy Scouts. He buys 2 packages of sliced bread containing 20 slices each, and he also buys 2 packages of sliced ham containing 8 slices each. Shane will make as many sandwiches as he can according to the ham he has. How many slices of bread will he have leftover? 