If one factor remains unchanged and the other factor is tripled, the product is 90. What is the product of the original two factors?
一个因数不变，另一个因数扩大3倍后，积是90，原来两个因数的积是多少．
<gadget id="calculator">90 / 3</gadget>
<output>30</output>

<result>30</result>