bat weighs 2.8 kilograms. Put it into a room full of mosquitoes. After 18 minutes, catch the bat and weigh it. The weight increases to 3.07 kilograms. It is known that the mass of a mosquito is about 0.003 grams. Question: This bat About how many mosquitoes are eaten per minute on average?
一只蝙蝠重2.8千克，把它放入一个由蚊子的房间，18分钟后，捉住蝙蝠称重，体重增加到3.07千克，已知一只蚊子的质量大约为0.003克，问：这只蝙蝠平均每分钟大约吃多少只蚊子？
<gadget id="calculator">3.07 - 2.8</gadget>
<output>0.27</output>

<gadget id="calculator">1_000 / 0.003</gadget>
<output>333_333.333333</output>

<gadget id="calculator">0.27 * 333_333.333333</gadget>
<output>90_000</output>

<result>90_000</result>