In order to disinfect vehicles and the environment, a large amount of disinfectant is needed. In order to meet the market demand, the workers of Jinke Pharmaceutical Factory rushed to make disinfectant. The first shift of workers completed the plan (3/10), the second shift of workers completed the rest (1/2), and the third shift of workers produced 2475 bottles , As a result, the production task of the whole day was overfulfilled (1/5). How many bottles of disinfectant do you plan to produce throughout the day?
为了对车辆、环境进行消毒，需要大量的消毒药水．金科药厂的工人为了满足市场需求赶制消毒药水，第一班工人完成了计划的(3/10)，第二班工人完成余下的(1/2)，第三班工人生产了2475瓶，结果超额(1/5)完成了全天的生产任务．全天计划生产消毒药水多少瓶？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 - (3/10)</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(7/10) * (1/2)</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">(1/5) - (3/10) - (7/20)</gadget>
<output>-9/20 = around -0.45</output>

<gadget id="calculator">1 + (-9/20)</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">2_475 / (11/20)</gadget>
<output>4_500</output>

<result>4_500</result>