7777除以9分之1加1111除以37分之1
7777/(1/9)+1111/(1/37)
=1111[7/(1/9)+1/(1/37)]
=1111(63+37)
=1111*100
=111100
246乘123369分之321963
246*(123369/321963)
=246*(41/107)
=10086/107
=94又107分之28