Carla had 400 chickens on her chicken farm. However, 40% of the chicken died due to a certain disease. How many chickens were there if she bought ten times as many chickens as the number that died due to disease?
If Carla had 400 chickens on her chicken farm, the number that died is 40/100*400= 
<gadget id="calculator">40/100*400</gadget>
<output>160</output>
160.
Carla remained with 400-160=
<gadget id="calculator">400-160</gadget>
<output>240</output>
240 chickens.
Carla then bought 10*160= 
<gadget id="calculator">10*160</gadget>
<output>1_600</output>
1600 new chickens.
The total number of chicken that Carla had now is 1600+240=
<gadget id="calculator">1600+240</gadget>
<output>1_840</output>
1840.

<result>1_840</result>