2.36*7.5 If 2.36 is enlarged to 10 times of the original, to keep the product unchanged, how much should 7.5 be changed to?
2.36*7.5如果把2.36扩大到原来的10倍，要使积不变，7.5应改为多少．
<gadget id="calculator">7.5 / 10</gadget>
<output>0.75</output>

<result>0.75</result>