Uncle Wang, a large grain grower, harvested 48 tons of grain last year and 60 tons this year. How much more grain does Uncle Wang harvest this year than last year?
种粮大户王大伯，去年收粮食48吨，今年收粮食60吨，王大伯今年比去年多收粮食百分之几？
<gadget id="calculator">60 - 48</gadget>
<output>12</output>

<gadget id="calculator">12 / 48</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>