The chemical factory can produce 5 tons of disinfectant every day, and it will start working every day in May. How many tons can it produce?
化工厂每天可以生产消毒药水5吨，5月份天天开工，大约可以生产多少吨．
<gadget id="calculator">30 * 31</gadget>
<output>930</output>

<result>930</result>