Lolita has 54000 strawberry seeds. In each planting zone, 3123 seeds will be used. If she will accumulate 7 planting zones, how many strawberry seeds will remain?
The total amount of seeds used in the planting zones is 3123 x 7 = 
<gadget id="calculator">3123*7</gadget>
<output>21_861</output>
21861.
The total amount of seeds left after planting is 54000 - 21861 = 
<gadget id="calculator">54000-21861</gadget>
<output>32_139</output>
32139.

<result>32_139</result>