A total of 840 bags of rice were shipped from the store, and the store owner shipped up to 7 bags at a time. How many times should the store ship at least?
商店共运来840袋大米，店主一次最多运7袋，至少要运多少次？
<gadget id="calculator">840 / 7</gadget>
<output>120</output>

<result>120</result>