There is a pile of coal in the cafeteria. It was originally planned to burn 60 kilograms per day, and it can be burned for 40 days. In fact, it burns 48 kilograms per day. How many days can this pile of coal actually be burned? (Solve with ratio)
食堂有一堆煤，原计划每天烧60千克，可以烧40天，实际每天烧48千克，这堆煤实际可烧多少天？(用比例解)
<gadget id="calculator">60 * 40</gadget>
<output>2_400</output>

<gadget id="calculator">2_400 / 48</gadget>
<output>50</output>

<result>50</result>