It is known that the product of two factors is 98.4, one of which is 0.64, and what is the other factor.
已知两因数的积是98.4，其中一个因数是0.64，另一个因数是多少．
<gadget id="calculator">98.4 / 0.64</gadget>
<output>153.75</output>

<result>153.75</result>