A dripping faucet will drain 0.25 tons of water a day. If it is not repaired in time, how many tons of water will be wasted in June?
一个滴水的水龙头一天要白白流掉0.25吨水．如不及时修理，六月份会浪费掉多少吨水？
<gadget id="calculator">0.25 * 30</gadget>
<output>7.5</output>

<result>7.5</result>