A farm raises 580 yellow cattle, 30 more than five times the buffalo. How many buffaloes do you have?
某农场养黄牛580头，比水牛的5倍还多30头．养水牛多少头？
<gadget id="calculator">580 - 30</gadget>
<output>550</output>

<gadget id="calculator">550 / 5</gadget>
<output>110</output>

<result>110</result>