There are some lions in Londolozi at first. Lion cubs are born at the rate of 5 per month and lions die at the rate of 1 per month. If there are 148 lions in Londolozi after 1 year, how many lions were there in Londolozi at first?
There are 5-1=
<gadget id="calculator">5-1</gadget>
<output>4</output>
4 more lions each month.
There will be 4*12=
<gadget id="calculator">4*12</gadget>
<output>48</output>
48 more lions after 1 year.
There were 148-48=
<gadget id="calculator">148-48</gadget>
<output>100</output>
100 lions in Londolozi at first.

<result>100</result>