In a germination experiment with 3000 seeds, 10% did not germinate, how many seeds germinated?
用3000粒种子做发芽实验，有10%没有发芽，有多少粒种子发了芽？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">3_000 * (9/10)</gadget>
<output>2_700</output>

<result>2_700</result>