Central Primary School used 82 tons of water in June, 6.2 tons more than May. How many tons of water will be used in May and June?
中心小学六月份用水82吨，比五月份多用水6.2吨．五、六月份一共用水多少吨？
<gadget id="calculator">82 - 6.2</gadget>
<output>75.8</output>

<gadget id="calculator">75.8 + 82</gadget>
<output>157.8</output>

<result>157.8</result>