Bobby made a big batch of soup weighing 80 kg. Each day the batch gets reduced by half. How many kg will it reach on the fourth day after he made the soup?
On the first day, the soup reduces down to 80/2=
<gadget id="calculator">80/2</gadget>
<output>40</output>
40 kg.
On the second day, it reduces down to 40/2=
<gadget id="calculator">40/2</gadget>
<output>20</output>
20 kg.
On the third day, it is reduced to 20/2=
<gadget id="calculator">20/2</gadget>
<output>10</output>
10 kg.
And on the fourth day, it is finally down to 10/2=
<gadget id="calculator">10/2</gadget>
<output>5</output>
5 kg.

<result>5</result>