Xiaohua can walk 0.2 kilometers per minute, which is 0.7 kilometers less than Xiaoli's three times the distance per minute. How many kilometers can Xiaoli walk per minute? (solution with equation)
小华每分钟能走0.2千米，比小丽每分钟走的路程的3倍少0.7千米．小丽每分钟能走多少千米？(用方程解答)
<gadget id="calculator">0.7 + 0.2</gadget>
<output>0.9</output>

<gadget id="calculator">0.9 / 3</gadget>
<output>0.3</output>

<result>0.3</result>