There are 90 tons of garbage in a certain place. Now it is necessary to hire a number of removal vehicles that can hold 1.5 tons each. A vehicle can pull up to 6 times a day. If the garbage must be removed within one day, how many garbage trucks should be hired at least? Clear truck.
某地有垃圾90吨，现要雇用每车能装1.5吨的清运车若干辆，一辆车一天最多能拉6次，若这些垃圾必须在一天之内运走，则至少雇多少辆垃圾清运车．
<gadget id="calculator">1.5 * 6</gadget>
<output>9</output>

<gadget id="calculator">90 / 9</gadget>
<output>10</output>

<result>10</result>