For a batch of goods, if each truck loads 3 tons, 35 trucks should be loaded; if each truck loads 5 tons, how many trucks should be loaded? (Solve with ratio)
一批货物，如果每车装3吨，要装35车；如果每车装5吨，要装多少车？(用比例解)
<gadget id="calculator">3 * 35</gadget>
<output>105</output>

<gadget id="calculator">105 / 5</gadget>
<output>21</output>

<result>21</result>