Umar drove his taxi from Ipoj to Kuala Lumpur via the highway. He stopped at Tapah to pick up some goods before proceeding to Kuala Lumpur. He drove from Ipoh to Tapah at an average speed of 100km/h over a distance of 60km. If the average speed of his taxi from Ipoh to Kuala Lumpur is 110km/h over a distance of 220km, calculate the avarage speed of Umar's taxi from Tapah to Kuala Lumpur